1215240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:87

約数の個数: 128

約数和(自身を含む): 4233600

約数和(自身を除く): 3018360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 41, 52, 57, 60, 65, 76, 78, 82, 95, 104, 114, 120, 123, 130, 152, 156, 164, 190, 195, 205, 228, 246, 247, 260, 285, 312, 328, 380, 390, 410, 456, 492, 494, 520, 533, 570, 615, 741, 760, 779, 780, 820, 984, 988, 1066, 1140, 1230, 1235, 1482, 1558, 1560, 1599, 1640, 1976, 2132, 2280, 2337, 2460, 2470, 2665, 2964, 3116, 3198, 3705, 3895, 4264, 4674, 4920, 4940, 5330, 5928, 6232, 6396, 7410, 7790, 7995, 9348, 9880, 10127, 10660, 11685, 12792, 14820, 15580, 15990, 18696, 20254, 21320, 23370, 29640, 30381, 31160, 31980, 40508, 46740, 50635, 60762, 63960, 81016, 93480, 101270, 121524, 151905, 202540, 243048, 303810, 405080, 607620, 1215240]

約数ペア:

[(1, 1215240), (2, 607620), (3, 405080), (4, 303810), (5, 243048), (6, 202540), (8, 151905), (10, 121524), (12, 101270), (13, 93480), (15, 81016), (19, 63960), (20, 60762), (24, 50635), (26, 46740), (30, 40508), (38, 31980), (39, 31160), (40, 30381), (41, 29640), (52, 23370), (57, 21320), (60, 20254), (65, 18696), (76, 15990), (78, 15580), (82, 14820), (95, 12792), (104, 11685), (114, 10660), (120, 10127), (123, 9880), (130, 9348), (152, 7995), (156, 7790), (164, 7410), (190, 6396), (195, 6232), (205, 5928), (228, 5330), (246, 4940), (247, 4920), (260, 4674), (285, 4264), (312, 3895), (328, 3705), (380, 3198), (390, 3116), (410, 2964), (456, 2665), (492, 2470), (494, 2460), (520, 2337), (533, 2280), (570, 2132), (615, 1976), (741, 1640), (760, 1599), (779, 1560), (780, 1558), (820, 1482), (984, 1235), (988, 1230), (1066, 1140)]