261591120

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:184

約数の個数: 400

約数和(自身を含む): 1065884160

約数和(自身を除く): 804293040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 73, 79, 80, 81, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 146, 158, 162, 168, 180, 189, 210, 216, 219, 237, 240, 252, 270, 280, 292, 315, 316, 324, 336, 360, 365, 378, 395, 405, 420, 432, 438, 474, 504, 511, 540, 553, 560, 567, 584, 630, 632, 648, 657, 711, 720, 730, 756, 790, 810, 840, 876, 945, 948, 1008, 1022, 1080, 1095, 1106, 1134, 1168, 1185, 1260, 1264, 1296, 1314, 1422, 1460, 1512, 1533, 1580, 1620, 1659, 1680, 1752, 1890, 1896, 1971, 2044, 2133, 2160, 2190, 2212, 2268, 2370, 2520, 2555, 2628, 2765, 2835, 2844, 2920, 3024, 3066, 3160, 3240, 3285, 3318, 3504, 3555, 3780, 3792, 3942, 4088, 4266, 4380, 4424, 4536, 4599, 4740, 4977, 5040, 5110, 5256, 5530, 5670, 5688, 5767, 5840, 5913, 6132, 6320, 6399, 6480, 6570, 6636, 7110, 7560, 7665, 7884, 8176, 8295, 8532, 8760, 8848, 9072, 9198, 9480, 9855, 9954, 10220, 10512, 10665, 11060, 11340, 11376, 11534, 11826, 12264, 12798, 13140, 13272, 13797, 14220, 14931, 15120, 15330, 15768, 16590, 17064, 17301, 17520, 18396, 18960, 19710, 19908, 20440, 21330, 22120, 22680, 22995, 23068, 23652, 24528, 24885, 25596, 26280, 26544, 27594, 28440, 28835, 29565, 29862, 30660, 31536, 31995, 33180, 34128, 34602, 36792, 39420, 39816, 40369, 40880, 41391, 42660, 44240, 44793, 45360, 45990, 46136, 47304, 49770, 51192, 51903, 52560, 55188, 56880, 57670, 59130, 59724, 61320, 63990, 66360, 68985, 69204, 73584, 74655, 78840, 79632, 80738, 82782, 85320, 86505, 89586, 91980, 92272, 94608, 99540, 102384, 103806, 110376, 115340, 118260, 119448, 121107, 122640, 127980, 132720, 137970, 138408, 149310, 155709, 157680, 161476, 165564, 170640, 173010, 179172, 183960, 199080, 201845, 206955, 207612, 220752, 223965, 230680, 236520, 238896, 242214, 255960, 259515, 275940, 276816, 298620, 311418, 322952, 331128, 346020, 358344, 363321, 367920, 398160, 403690, 413910, 415224, 447930, 461360, 467127, 473040, 484428, 511920, 519030, 551880, 597240, 605535, 622836, 645904, 662256, 692040, 716688, 726642, 778545, 807380, 827820, 830448, 895860, 934254, 968856, 1038060, 1089963, 1103760, 1194480, 1211070, 1245672, 1384080, 1453284, 1557090, 1614760, 1655640, 1791720, 1816605, 1868508, 1937712, 2076120, 2179926, 2335635, 2422140, 2491344, 2906568, 3114180, 3229520, 3269889, 3311280, 3583440, 3633210, 3737016, 4152240, 4359852, 4671270, 4844280, 5449815, 5813136, 6228360, 6539778, 7266420, 7474032, 8719704, 9342540, 9688560, 10899630, 12456720, 13079556, 14532840, 16349445, 17439408, 18685080, 21799260, 26159112, 29065680, 32698890, 37370160, 43598520, 52318224, 65397780, 87197040, 130795560, 261591120]

約数ペア:

[(1, 261591120), (2, 130795560), (3, 87197040), (4, 65397780), (5, 52318224), (6, 43598520), (7, 37370160), (8, 32698890), (9, 29065680), (10, 26159112), (12, 21799260), (14, 18685080), (15, 17439408), (16, 16349445), (18, 14532840), (20, 13079556), (21, 12456720), (24, 10899630), (27, 9688560), (28, 9342540), (30, 8719704), (35, 7474032), (36, 7266420), (40, 6539778), (42, 6228360), (45, 5813136), (48, 5449815), (54, 4844280), (56, 4671270), (60, 4359852), (63, 4152240), (70, 3737016), (72, 3633210), (73, 3583440), (79, 3311280), (80, 3269889), (81, 3229520), (84, 3114180), (90, 2906568), (105, 2491344), (108, 2422140), (112, 2335635), (120, 2179926), (126, 2076120), (135, 1937712), (140, 1868508), (144, 1816605), (146, 1791720), (158, 1655640), (162, 1614760), (168, 1557090), (180, 1453284), (189, 1384080), (210, 1245672), (216, 1211070), (219, 1194480), (237, 1103760), (240, 1089963), (252, 1038060), (270, 968856), (280, 934254), (292, 895860), (315, 830448), (316, 827820), (324, 807380), (336, 778545), (360, 726642), (365, 716688), (378, 692040), (395, 662256), (405, 645904), (420, 622836), (432, 605535), (438, 597240), (474, 551880), (504, 519030), (511, 511920), (540, 484428), (553, 473040), (560, 467127), (567, 461360), (584, 447930), (630, 415224), (632, 413910), (648, 403690), (657, 398160), (711, 367920), (720, 363321), (730, 358344), (756, 346020), (790, 331128), (810, 322952), (840, 311418), (876, 298620), (945, 276816), (948, 275940), (1008, 259515), (1022, 255960), (1080, 242214), (1095, 238896), (1106, 236520), (1134, 230680), (1168, 223965), (1185, 220752), (1260, 207612), (1264, 206955), (1296, 201845), (1314, 199080), (1422, 183960), (1460, 179172), (1512, 173010), (1533, 170640), (1580, 165564), (1620, 161476), (1659, 157680), (1680, 155709), (1752, 149310), (1890, 138408), (1896, 137970), (1971, 132720), (2044, 127980), (2133, 122640), (2160, 121107), (2190, 119448), (2212, 118260), (2268, 115340), (2370, 110376), (2520, 103806), (2555, 102384), (2628, 99540), (2765, 94608), (2835, 92272), (2844, 91980), (2920, 89586), (3024, 86505), (3066, 85320), (3160, 82782), (3240, 80738), (3285, 79632), (3318, 78840), (3504, 74655), (3555, 73584), (3780, 69204), (3792, 68985), (3942, 66360), (4088, 63990), (4266, 61320), (4380, 59724), (4424, 59130), (4536, 57670), (4599, 56880), (4740, 55188), (4977, 52560), (5040, 51903), (5110, 51192), (5256, 49770), (5530, 47304), (5670, 46136), (5688, 45990), (5767, 45360), (5840, 44793), (5913, 44240), (6132, 42660), (6320, 41391), (6399, 40880), (6480, 40369), (6570, 39816), (6636, 39420), (7110, 36792), (7560, 34602), (7665, 34128), (7884, 33180), (8176, 31995), (8295, 31536), (8532, 30660), (8760, 29862), (8848, 29565), (9072, 28835), (9198, 28440), (9480, 27594), (9855, 26544), (9954, 26280), (10220, 25596), (10512, 24885), (10665, 24528), (11060, 23652), (11340, 23068), (11376, 22995), (11534, 22680), (11826, 22120), (12264, 21330), (12798, 20440), (13140, 19908), (13272, 19710), (13797, 18960), (14220, 18396), (14931, 17520), (15120, 17301), (15330, 17064), (15768, 16590)]