1871220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2399}}^1$

素因数の和:2424

約数の個数: 48

約数和(自身を含む): 5644800

約数和(自身を除く): 3773580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2399, 4798, 7197, 9596, 11995, 14394, 23990, 28788, 31187, 35985, 47980, 62374, 71970, 93561, 124748, 143940, 155935, 187122, 311870, 374244, 467805, 623740, 935610, 1871220]

約数ペア:

[(1, 1871220), (2, 935610), (3, 623740), (4, 467805), (5, 374244), (6, 311870), (10, 187122), (12, 155935), (13, 143940), (15, 124748), (20, 93561), (26, 71970), (30, 62374), (39, 47980), (52, 35985), (60, 31187), (65, 28788), (78, 23990), (130, 14394), (156, 11995), (195, 9596), (260, 7197), (390, 4798), (780, 2399)]