31949820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{25357}}^1$

素因数の和:25379

約数の個数: 72

約数和(自身を含む): 110763744

約数和(自身を除く): 78813924

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, 25357, 50714, 76071, 101428, 126785, 152142, 177499, 228213, 253570, 304284, 354998, 380355, 456426, 507140, 532497, 709996, 760710, 887495, 912852, 1064994, 1141065, 1521420, 1597491, 1774990, 2129988, 2282130, 2662485, 3194982, 3549980, 4564260, 5324970, 6389964, 7987455, 10649940, 15974910, 31949820]

約数ペア:

[(1, 31949820), (2, 15974910), (3, 10649940), (4, 7987455), (5, 6389964), (6, 5324970), (7, 4564260), (9, 3549980), (10, 3194982), (12, 2662485), (14, 2282130), (15, 2129988), (18, 1774990), (20, 1597491), (21, 1521420), (28, 1141065), (30, 1064994), (35, 912852), (36, 887495), (42, 760710), (45, 709996), (60, 532497), (63, 507140), (70, 456426), (84, 380355), (90, 354998), (105, 304284), (126, 253570), (140, 228213), (180, 177499), (210, 152142), (252, 126785), (315, 101428), (420, 76071), (630, 50714), (1260, 25357)]