138775920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{89}}^2$

素因数の和:267

約数の個数: 120

約数和(自身を含む): 441053616

約数和(自身を除く): 302277696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 73, 80, 89, 120, 146, 178, 219, 240, 267, 292, 356, 365, 438, 445, 534, 584, 712, 730, 876, 890, 1068, 1095, 1168, 1335, 1424, 1460, 1752, 1780, 2136, 2190, 2670, 2920, 3504, 3560, 4272, 4380, 5340, 5840, 6497, 7120, 7921, 8760, 10680, 12994, 15842, 17520, 19491, 21360, 23763, 25988, 31684, 32485, 38982, 39605, 47526, 51976, 63368, 64970, 77964, 79210, 95052, 97455, 103952, 118815, 126736, 129940, 155928, 158420, 190104, 194910, 237630, 259880, 311856, 316840, 380208, 389820, 475260, 519760, 578233, 633680, 779640, 950520, 1156466, 1559280, 1734699, 1901040, 2312932, 2891165, 3469398, 4625864, 5782330, 6938796, 8673495, 9251728, 11564660, 13877592, 17346990, 23129320, 27755184, 34693980, 46258640, 69387960, 138775920]

約数ペア:

[(1, 138775920), (2, 69387960), (3, 46258640), (4, 34693980), (5, 27755184), (6, 23129320), (8, 17346990), (10, 13877592), (12, 11564660), (15, 9251728), (16, 8673495), (20, 6938796), (24, 5782330), (30, 4625864), (40, 3469398), (48, 2891165), (60, 2312932), (73, 1901040), (80, 1734699), (89, 1559280), (120, 1156466), (146, 950520), (178, 779640), (219, 633680), (240, 578233), (267, 519760), (292, 475260), (356, 389820), (365, 380208), (438, 316840), (445, 311856), (534, 259880), (584, 237630), (712, 194910), (730, 190104), (876, 158420), (890, 155928), (1068, 129940), (1095, 126736), (1168, 118815), (1335, 103952), (1424, 97455), (1460, 95052), (1752, 79210), (1780, 77964), (2136, 64970), (2190, 63368), (2670, 51976), (2920, 47526), (3504, 39605), (3560, 38982), (4272, 32485), (4380, 31684), (5340, 25988), (5840, 23763), (6497, 21360), (7120, 19491), (7921, 17520), (8760, 15842), (10680, 12994)]