19915080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2477}}^1$

素因数の和:2558

約数の個数: 64

約数和(自身を含む): 60661440

約数和(自身を除く): 40746360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 67, 120, 134, 201, 268, 335, 402, 536, 670, 804, 1005, 1340, 1608, 2010, 2477, 2680, 4020, 4954, 7431, 8040, 9908, 12385, 14862, 19816, 24770, 29724, 37155, 49540, 59448, 74310, 99080, 148620, 165959, 297240, 331918, 497877, 663836, 829795, 995754, 1327672, 1659590, 1991508, 2489385, 3319180, 3983016, 4978770, 6638360, 9957540, 19915080]

約数ペア:

[(1, 19915080), (2, 9957540), (3, 6638360), (4, 4978770), (5, 3983016), (6, 3319180), (8, 2489385), (10, 1991508), (12, 1659590), (15, 1327672), (20, 995754), (24, 829795), (30, 663836), (40, 497877), (60, 331918), (67, 297240), (120, 165959), (134, 148620), (201, 99080), (268, 74310), (335, 59448), (402, 49540), (536, 37155), (670, 29724), (804, 24770), (1005, 19816), (1340, 14862), (1608, 12385), (2010, 9908), (2477, 8040), (2680, 7431), (4020, 4954)]