66417660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5197}}^1$

素因数の和:5283

約数の個数: 72

約数和(自身を含む): 204343776

約数和(自身を除く): 137926116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 5197, 6390, 10394, 12780, 15591, 20788, 25985, 31182, 46773, 51970, 62364, 77955, 93546, 103940, 155910, 187092, 233865, 311820, 368987, 467730, 737974, 935460, 1106961, 1475948, 1844935, 2213922, 3320883, 3689870, 4427844, 5534805, 6641766, 7379740, 11069610, 13283532, 16604415, 22139220, 33208830, 66417660]

約数ペア:

[(1, 66417660), (2, 33208830), (3, 22139220), (4, 16604415), (5, 13283532), (6, 11069610), (9, 7379740), (10, 6641766), (12, 5534805), (15, 4427844), (18, 3689870), (20, 3320883), (30, 2213922), (36, 1844935), (45, 1475948), (60, 1106961), (71, 935460), (90, 737974), (142, 467730), (180, 368987), (213, 311820), (284, 233865), (355, 187092), (426, 155910), (639, 103940), (710, 93546), (852, 77955), (1065, 62364), (1278, 51970), (1420, 46773), (2130, 31182), (2556, 25985), (3195, 20788), (4260, 15591), (5197, 12780), (6390, 10394)]