128870560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:255

約数の個数: 192

約数和(自身を含む): 384072192

約数和(自身を除く): 255201632

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 53, 56, 65, 70, 80, 91, 104, 106, 112, 130, 140, 160, 167, 182, 208, 212, 224, 260, 265, 280, 334, 364, 371, 416, 424, 455, 520, 530, 560, 668, 689, 728, 742, 835, 848, 910, 1040, 1060, 1120, 1169, 1336, 1378, 1456, 1484, 1670, 1696, 1820, 1855, 2080, 2120, 2171, 2338, 2672, 2756, 2912, 2968, 3340, 3445, 3640, 3710, 4240, 4342, 4676, 4823, 5344, 5512, 5845, 5936, 6680, 6890, 7280, 7420, 8480, 8684, 8851, 9352, 9646, 10855, 11024, 11690, 11872, 13360, 13780, 14560, 14840, 15197, 17368, 17702, 18704, 19292, 21710, 22048, 23380, 24115, 26720, 27560, 29680, 30394, 34736, 35404, 37408, 38584, 43420, 44255, 46760, 48230, 55120, 59360, 60788, 61957, 69472, 70808, 75985, 77168, 86840, 88510, 93520, 96460, 110240, 115063, 121576, 123914, 141616, 151970, 154336, 173680, 177020, 187040, 192920, 230126, 243152, 247828, 283232, 303940, 309785, 347360, 354040, 385840, 460252, 486304, 495656, 575315, 607880, 619570, 708080, 771680, 805441, 920504, 991312, 1150630, 1215760, 1239140, 1416160, 1610882, 1841008, 1982624, 2301260, 2431520, 2478280, 3221764, 3682016, 4027205, 4602520, 4956560, 6443528, 8054410, 9205040, 9913120, 12887056, 16108820, 18410080, 25774112, 32217640, 64435280, 128870560]

約数ペア:

[(1, 128870560), (2, 64435280), (4, 32217640), (5, 25774112), (7, 18410080), (8, 16108820), (10, 12887056), (13, 9913120), (14, 9205040), (16, 8054410), (20, 6443528), (26, 4956560), (28, 4602520), (32, 4027205), (35, 3682016), (40, 3221764), (52, 2478280), (53, 2431520), (56, 2301260), (65, 1982624), (70, 1841008), (80, 1610882), (91, 1416160), (104, 1239140), (106, 1215760), (112, 1150630), (130, 991312), (140, 920504), (160, 805441), (167, 771680), (182, 708080), (208, 619570), (212, 607880), (224, 575315), (260, 495656), (265, 486304), (280, 460252), (334, 385840), (364, 354040), (371, 347360), (416, 309785), (424, 303940), (455, 283232), (520, 247828), (530, 243152), (560, 230126), (668, 192920), (689, 187040), (728, 177020), (742, 173680), (835, 154336), (848, 151970), (910, 141616), (1040, 123914), (1060, 121576), (1120, 115063), (1169, 110240), (1336, 96460), (1378, 93520), (1456, 88510), (1484, 86840), (1670, 77168), (1696, 75985), (1820, 70808), (1855, 69472), (2080, 61957), (2120, 60788), (2171, 59360), (2338, 55120), (2672, 48230), (2756, 46760), (2912, 44255), (2968, 43420), (3340, 38584), (3445, 37408), (3640, 35404), (3710, 34736), (4240, 30394), (4342, 29680), (4676, 27560), (4823, 26720), (5344, 24115), (5512, 23380), (5845, 22048), (5936, 21710), (6680, 19292), (6890, 18704), (7280, 17702), (7420, 17368), (8480, 15197), (8684, 14840), (8851, 14560), (9352, 13780), (9646, 13360), (10855, 11872), (11024, 11690)]