261438240

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:264

約数の個数: 384

約数和(自身を含む): 1045094400

約数和(自身を除く): 783656160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 23, 24, 28, 30, 32, 34, 35, 40, 42, 46, 48, 51, 56, 60, 68, 69, 70, 80, 84, 85, 92, 96, 102, 105, 112, 115, 119, 120, 136, 138, 140, 160, 161, 168, 170, 184, 199, 204, 210, 224, 230, 238, 240, 255, 272, 276, 280, 322, 336, 340, 345, 357, 368, 391, 398, 408, 420, 460, 476, 480, 483, 510, 544, 552, 560, 595, 597, 644, 672, 680, 690, 714, 736, 782, 796, 805, 816, 840, 920, 952, 966, 995, 1020, 1104, 1120, 1173, 1190, 1194, 1288, 1360, 1380, 1393, 1428, 1564, 1592, 1610, 1632, 1680, 1785, 1840, 1904, 1932, 1955, 1990, 2040, 2208, 2346, 2380, 2388, 2415, 2576, 2720, 2737, 2760, 2786, 2856, 2985, 3128, 3184, 3220, 3360, 3383, 3570, 3680, 3808, 3864, 3910, 3980, 4080, 4179, 4577, 4692, 4760, 4776, 4830, 5152, 5474, 5520, 5572, 5712, 5865, 5970, 6256, 6368, 6440, 6766, 6965, 7140, 7728, 7820, 7960, 8160, 8211, 8358, 9154, 9384, 9520, 9552, 9660, 10149, 10948, 11040, 11144, 11424, 11730, 11940, 12512, 12880, 13532, 13685, 13731, 13930, 14280, 15456, 15640, 15920, 16422, 16716, 16915, 18308, 18768, 19040, 19104, 19320, 20298, 20895, 21896, 22288, 22885, 23460, 23681, 23880, 25760, 27064, 27370, 27462, 27860, 28560, 31280, 31840, 32039, 32844, 33432, 33830, 36616, 37536, 38640, 40596, 41055, 41790, 43792, 44576, 45770, 46920, 47362, 47760, 50745, 54128, 54740, 54924, 55720, 57120, 62560, 64078, 65688, 66864, 67660, 68655, 71043, 73232, 77280, 77809, 81192, 82110, 83580, 87584, 91540, 93840, 94724, 95520, 96117, 101490, 108256, 109480, 109848, 111440, 118405, 128156, 131376, 133728, 135320, 137310, 142086, 146464, 155618, 160195, 162384, 164220, 167160, 183080, 187680, 189448, 192234, 202980, 218960, 219696, 222880, 233427, 236810, 256312, 262752, 270640, 274620, 284172, 311236, 320390, 324768, 328440, 334320, 355215, 366160, 378896, 384468, 389045, 405960, 437920, 439392, 466854, 473620, 480585, 512624, 541280, 544663, 549240, 568344, 622472, 640780, 656880, 668640, 710430, 732320, 757792, 768936, 778090, 811920, 933708, 947240, 961170, 1025248, 1089326, 1098480, 1136688, 1167135, 1244944, 1281560, 1313760, 1420860, 1537872, 1556180, 1623840, 1633989, 1867416, 1894480, 1922340, 2178652, 2196960, 2273376, 2334270, 2489888, 2563120, 2723315, 2841720, 3075744, 3112360, 3267978, 3734832, 3788960, 3844680, 4357304, 4668540, 5126240, 5446630, 5683440, 6224720, 6535956, 7469664, 7689360, 8169945, 8714608, 9337080, 10893260, 11366880, 12449440, 13071912, 15378720, 16339890, 17429216, 18674160, 21786520, 26143824, 32679780, 37348320, 43573040, 52287648, 65359560, 87146080, 130719120, 261438240]

約数ペア:

[(1, 261438240), (2, 130719120), (3, 87146080), (4, 65359560), (5, 52287648), (6, 43573040), (7, 37348320), (8, 32679780), (10, 26143824), (12, 21786520), (14, 18674160), (15, 17429216), (16, 16339890), (17, 15378720), (20, 13071912), (21, 12449440), (23, 11366880), (24, 10893260), (28, 9337080), (30, 8714608), (32, 8169945), (34, 7689360), (35, 7469664), (40, 6535956), (42, 6224720), (46, 5683440), (48, 5446630), (51, 5126240), (56, 4668540), (60, 4357304), (68, 3844680), (69, 3788960), (70, 3734832), (80, 3267978), (84, 3112360), (85, 3075744), (92, 2841720), (96, 2723315), (102, 2563120), (105, 2489888), (112, 2334270), (115, 2273376), (119, 2196960), (120, 2178652), (136, 1922340), (138, 1894480), (140, 1867416), (160, 1633989), (161, 1623840), (168, 1556180), (170, 1537872), (184, 1420860), (199, 1313760), (204, 1281560), (210, 1244944), (224, 1167135), (230, 1136688), (238, 1098480), (240, 1089326), (255, 1025248), (272, 961170), (276, 947240), (280, 933708), (322, 811920), (336, 778090), (340, 768936), (345, 757792), (357, 732320), (368, 710430), (391, 668640), (398, 656880), (408, 640780), (420, 622472), (460, 568344), (476, 549240), (480, 544663), (483, 541280), (510, 512624), (544, 480585), (552, 473620), (560, 466854), (595, 439392), (597, 437920), (644, 405960), (672, 389045), (680, 384468), (690, 378896), (714, 366160), (736, 355215), (782, 334320), (796, 328440), (805, 324768), (816, 320390), (840, 311236), (920, 284172), (952, 274620), (966, 270640), (995, 262752), (1020, 256312), (1104, 236810), (1120, 233427), (1173, 222880), (1190, 219696), (1194, 218960), (1288, 202980), (1360, 192234), (1380, 189448), (1393, 187680), (1428, 183080), (1564, 167160), (1592, 164220), (1610, 162384), (1632, 160195), (1680, 155618), (1785, 146464), (1840, 142086), (1904, 137310), (1932, 135320), (1955, 133728), (1990, 131376), (2040, 128156), (2208, 118405), (2346, 111440), (2380, 109848), (2388, 109480), (2415, 108256), (2576, 101490), (2720, 96117), (2737, 95520), (2760, 94724), (2786, 93840), (2856, 91540), (2985, 87584), (3128, 83580), (3184, 82110), (3220, 81192), (3360, 77809), (3383, 77280), (3570, 73232), (3680, 71043), (3808, 68655), (3864, 67660), (3910, 66864), (3980, 65688), (4080, 64078), (4179, 62560), (4577, 57120), (4692, 55720), (4760, 54924), (4776, 54740), (4830, 54128), (5152, 50745), (5474, 47760), (5520, 47362), (5572, 46920), (5712, 45770), (5865, 44576), (5970, 43792), (6256, 41790), (6368, 41055), (6440, 40596), (6766, 38640), (6965, 37536), (7140, 36616), (7728, 33830), (7820, 33432), (7960, 32844), (8160, 32039), (8211, 31840), (8358, 31280), (9154, 28560), (9384, 27860), (9520, 27462), (9552, 27370), (9660, 27064), (10149, 25760), (10948, 23880), (11040, 23681), (11144, 23460), (11424, 22885), (11730, 22288), (11940, 21896), (12512, 20895), (12880, 20298), (13532, 19320), (13685, 19104), (13731, 19040), (13930, 18768), (14280, 18308), (15456, 16915), (15640, 16716), (15920, 16422)]