1215440640

素因数分解:

$2^8\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:669

約数の個数: 360

約数和(自身を含む): 4585386960

約数和(自身を除く): 3369946320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 128, 135, 144, 152, 160, 162, 171, 180, 190, 192, 216, 228, 240, 256, 270, 285, 288, 304, 320, 324, 342, 360, 380, 384, 405, 432, 456, 480, 513, 540, 570, 576, 608, 617, 640, 648, 684, 720, 760, 768, 810, 855, 864, 912, 960, 1026, 1080, 1140, 1152, 1216, 1234, 1280, 1296, 1368, 1440, 1520, 1539, 1620, 1710, 1728, 1824, 1851, 1920, 2052, 2160, 2280, 2304, 2432, 2468, 2565, 2592, 2736, 2880, 3040, 3078, 3085, 3240, 3420, 3456, 3648, 3702, 3840, 4104, 4320, 4560, 4864, 4936, 5130, 5184, 5472, 5553, 5760, 6080, 6156, 6170, 6480, 6840, 6912, 7296, 7404, 7695, 8208, 8640, 9120, 9255, 9872, 10260, 10368, 10944, 11106, 11520, 11723, 12160, 12312, 12340, 12960, 13680, 14592, 14808, 15390, 16416, 16659, 17280, 18240, 18510, 19744, 20520, 20736, 21888, 22212, 23446, 24320, 24624, 24680, 25920, 27360, 27765, 29616, 30780, 32832, 33318, 34560, 35169, 36480, 37020, 39488, 41040, 43776, 44424, 46892, 49248, 49360, 49977, 51840, 54720, 55530, 58615, 59232, 61560, 65664, 66636, 70338, 72960, 74040, 78976, 82080, 83295, 88848, 93784, 98496, 98720, 99954, 103680, 105507, 109440, 111060, 117230, 118464, 123120, 131328, 133272, 140676, 148080, 157952, 164160, 166590, 175845, 177696, 187568, 196992, 197440, 199908, 211014, 218880, 222120, 234460, 236928, 246240, 249885, 266544, 281352, 296160, 316521, 328320, 333180, 351690, 355392, 375136, 393984, 394880, 399816, 422028, 444240, 468920, 473856, 492480, 499770, 527535, 533088, 562704, 592320, 633042, 656640, 666360, 703380, 710784, 750272, 789760, 799632, 844056, 888480, 937840, 949563, 984960, 999540, 1055070, 1066176, 1125408, 1184640, 1266084, 1332720, 1406760, 1421568, 1500544, 1582605, 1599264, 1688112, 1776960, 1875680, 1899126, 1969920, 1999080, 2110140, 2132352, 2250816, 2369280, 2532168, 2665440, 2813520, 3001088, 3165210, 3198528, 3376224, 3553920, 3751360, 3798252, 3998160, 4220280, 4264704, 4501632, 4747815, 5064336, 5330880, 5627040, 6330420, 6397056, 6752448, 7107840, 7502720, 7596504, 7996320, 8440560, 9003264, 9495630, 10128672, 10661760, 11254080, 12660840, 12794112, 13504896, 15005440, 15193008, 15992640, 16881120, 18991260, 20257344, 21323520, 22508160, 25321680, 27009792, 30386016, 31985280, 33762240, 37982520, 40514688, 45016320, 50643360, 60772032, 63970560, 67524480, 75965040, 81029376, 101286720, 121544064, 135048960, 151930080, 202573440, 243088128, 303860160, 405146880, 607720320, 1215440640]

約数ペア:

[(1, 1215440640), (2, 607720320), (3, 405146880), (4, 303860160), (5, 243088128), (6, 202573440), (8, 151930080), (9, 135048960), (10, 121544064), (12, 101286720), (15, 81029376), (16, 75965040), (18, 67524480), (19, 63970560), (20, 60772032), (24, 50643360), (27, 45016320), (30, 40514688), (32, 37982520), (36, 33762240), (38, 31985280), (40, 30386016), (45, 27009792), (48, 25321680), (54, 22508160), (57, 21323520), (60, 20257344), (64, 18991260), (72, 16881120), (76, 15992640), (80, 15193008), (81, 15005440), (90, 13504896), (95, 12794112), (96, 12660840), (108, 11254080), (114, 10661760), (120, 10128672), (128, 9495630), (135, 9003264), (144, 8440560), (152, 7996320), (160, 7596504), (162, 7502720), (171, 7107840), (180, 6752448), (190, 6397056), (192, 6330420), (216, 5627040), (228, 5330880), (240, 5064336), (256, 4747815), (270, 4501632), (285, 4264704), (288, 4220280), (304, 3998160), (320, 3798252), (324, 3751360), (342, 3553920), (360, 3376224), (380, 3198528), (384, 3165210), (405, 3001088), (432, 2813520), (456, 2665440), (480, 2532168), (513, 2369280), (540, 2250816), (570, 2132352), (576, 2110140), (608, 1999080), (617, 1969920), (640, 1899126), (648, 1875680), (684, 1776960), (720, 1688112), (760, 1599264), (768, 1582605), (810, 1500544), (855, 1421568), (864, 1406760), (912, 1332720), (960, 1266084), (1026, 1184640), (1080, 1125408), (1140, 1066176), (1152, 1055070), (1216, 999540), (1234, 984960), (1280, 949563), (1296, 937840), (1368, 888480), (1440, 844056), (1520, 799632), (1539, 789760), (1620, 750272), (1710, 710784), (1728, 703380), (1824, 666360), (1851, 656640), (1920, 633042), (2052, 592320), (2160, 562704), (2280, 533088), (2304, 527535), (2432, 499770), (2468, 492480), (2565, 473856), (2592, 468920), (2736, 444240), (2880, 422028), (3040, 399816), (3078, 394880), (3085, 393984), (3240, 375136), (3420, 355392), (3456, 351690), (3648, 333180), (3702, 328320), (3840, 316521), (4104, 296160), (4320, 281352), (4560, 266544), (4864, 249885), (4936, 246240), (5130, 236928), (5184, 234460), (5472, 222120), (5553, 218880), (5760, 211014), (6080, 199908), (6156, 197440), (6170, 196992), (6480, 187568), (6840, 177696), (6912, 175845), (7296, 166590), (7404, 164160), (7695, 157952), (8208, 148080), (8640, 140676), (9120, 133272), (9255, 131328), (9872, 123120), (10260, 118464), (10368, 117230), (10944, 111060), (11106, 109440), (11520, 105507), (11723, 103680), (12160, 99954), (12312, 98720), (12340, 98496), (12960, 93784), (13680, 88848), (14592, 83295), (14808, 82080), (15390, 78976), (16416, 74040), (16659, 72960), (17280, 70338), (18240, 66636), (18510, 65664), (19744, 61560), (20520, 59232), (20736, 58615), (21888, 55530), (22212, 54720), (23446, 51840), (24320, 49977), (24624, 49360), (24680, 49248), (25920, 46892), (27360, 44424), (27765, 43776), (29616, 41040), (30780, 39488), (32832, 37020), (33318, 36480), (34560, 35169)]