102839940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{81619}}^1$

素因数の和:81641

約数の個数: 72

約数和(自身を含む): 356516160

約数和(自身を除く): 253676220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 81619, 163238, 244857, 326476, 408095, 489714, 571333, 734571, 816190, 979428, 1142666, 1224285, 1469142, 1632380, 1713999, 2285332, 2448570, 2856665, 2938284, 3427998, 3672855, 4897140, 5141997, 5713330, 6855996, 7345710, 8569995, 10283994, 11426660, 14691420, 17139990, 20567988, 25709985, 34279980, 51419970, 102839940]

約数ペア:

[(1, 102839940), (2, 51419970), (3, 34279980), (4, 25709985), (5, 20567988), (6, 17139990), (7, 14691420), (9, 11426660), (10, 10283994), (12, 8569995), (14, 7345710), (15, 6855996), (18, 5713330), (20, 5141997), (21, 4897140), (28, 3672855), (30, 3427998), (35, 2938284), (36, 2856665), (42, 2448570), (45, 2285332), (60, 1713999), (63, 1632380), (70, 1469142), (84, 1224285), (90, 1142666), (105, 979428), (126, 816190), (140, 734571), (180, 571333), (210, 489714), (252, 408095), (315, 326476), (420, 244857), (630, 163238), (1260, 81619)]