66271860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{661}}^1$

素因数の和:1233

約数の個数: 72

約数和(自身を含む): 201690216

約数和(自身を除く): 135418356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 557, 661, 1114, 1322, 1671, 1983, 2228, 2644, 2785, 3305, 3342, 3966, 5013, 5570, 5949, 6610, 6684, 7932, 8355, 9915, 10026, 11140, 11898, 13220, 16710, 19830, 20052, 23796, 25065, 29745, 33420, 39660, 50130, 59490, 100260, 118980, 368177, 736354, 1104531, 1472708, 1840885, 2209062, 3313593, 3681770, 4418124, 5522655, 6627186, 7363540, 11045310, 13254372, 16567965, 22090620, 33135930, 66271860]

約数ペア:

[(1, 66271860), (2, 33135930), (3, 22090620), (4, 16567965), (5, 13254372), (6, 11045310), (9, 7363540), (10, 6627186), (12, 5522655), (15, 4418124), (18, 3681770), (20, 3313593), (30, 2209062), (36, 1840885), (45, 1472708), (60, 1104531), (90, 736354), (180, 368177), (557, 118980), (661, 100260), (1114, 59490), (1322, 50130), (1671, 39660), (1983, 33420), (2228, 29745), (2644, 25065), (2785, 23796), (3305, 20052), (3342, 19830), (3966, 16710), (5013, 13220), (5570, 11898), (5949, 11140), (6610, 10026), (6684, 9915), (7932, 8355)]