1948440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1249}}^1$

素因数の和:1276

約数の個数: 64

約数和(自身を含む): 6300000

約数和(自身を除く): 4351560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1249, 1560, 2498, 3747, 4996, 6245, 7494, 9992, 12490, 14988, 16237, 18735, 24980, 29976, 32474, 37470, 48711, 49960, 64948, 74940, 81185, 97422, 129896, 149880, 162370, 194844, 243555, 324740, 389688, 487110, 649480, 974220, 1948440]

約数ペア:

[(1, 1948440), (2, 974220), (3, 649480), (4, 487110), (5, 389688), (6, 324740), (8, 243555), (10, 194844), (12, 162370), (13, 149880), (15, 129896), (20, 97422), (24, 81185), (26, 74940), (30, 64948), (39, 49960), (40, 48711), (52, 37470), (60, 32474), (65, 29976), (78, 24980), (104, 18735), (120, 16237), (130, 14988), (156, 12490), (195, 9992), (260, 7494), (312, 6245), (390, 4996), (520, 3747), (780, 2498), (1249, 1560)]