66423760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^3$

素因数の和:90

約数の個数: 120

約数和(自身を含む): 177678360

約数和(自身を除く): 111254600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 169, 170, 208, 221, 260, 272, 289, 338, 340, 442, 520, 578, 676, 680, 845, 884, 1040, 1105, 1156, 1352, 1360, 1445, 1690, 1768, 2210, 2312, 2704, 2873, 2890, 3380, 3536, 3757, 4420, 4624, 4913, 5746, 5780, 6760, 7514, 8840, 9826, 11492, 11560, 13520, 14365, 15028, 17680, 18785, 19652, 22984, 23120, 24565, 28730, 30056, 37570, 39304, 45968, 48841, 49130, 57460, 60112, 63869, 75140, 78608, 97682, 98260, 114920, 127738, 150280, 195364, 196520, 229840, 244205, 255476, 300560, 319345, 390728, 393040, 488410, 510952, 638690, 781456, 830297, 976820, 1021904, 1277380, 1660594, 1953640, 2554760, 3321188, 3907280, 4151485, 5109520, 6642376, 8302970, 13284752, 16605940, 33211880, 66423760]

約数ペア:

[(1, 66423760), (2, 33211880), (4, 16605940), (5, 13284752), (8, 8302970), (10, 6642376), (13, 5109520), (16, 4151485), (17, 3907280), (20, 3321188), (26, 2554760), (34, 1953640), (40, 1660594), (52, 1277380), (65, 1021904), (68, 976820), (80, 830297), (85, 781456), (104, 638690), (130, 510952), (136, 488410), (169, 393040), (170, 390728), (208, 319345), (221, 300560), (260, 255476), (272, 244205), (289, 229840), (338, 196520), (340, 195364), (442, 150280), (520, 127738), (578, 114920), (676, 98260), (680, 97682), (845, 78608), (884, 75140), (1040, 63869), (1105, 60112), (1156, 57460), (1352, 49130), (1360, 48841), (1445, 45968), (1690, 39304), (1768, 37570), (2210, 30056), (2312, 28730), (2704, 24565), (2873, 23120), (2890, 22984), (3380, 19652), (3536, 18785), (3757, 17680), (4420, 15028), (4624, 14365), (4913, 13520), (5746, 11560), (5780, 11492), (6760, 9826), (7514, 8840)]