1253567840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{2243}}^1$

素因数の和:2764

約数の個数: 96

約数和(自身を含む): 3392928000

約数和(自身を除く): 2139360160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 499, 560, 998, 1120, 1996, 2243, 2495, 3493, 3992, 4486, 4990, 6986, 7984, 8972, 9980, 11215, 13972, 15701, 15968, 17465, 17944, 19960, 22430, 27944, 31402, 34930, 35888, 39920, 44860, 55888, 62804, 69860, 71776, 78505, 79840, 89720, 111776, 125608, 139720, 157010, 179440, 251216, 279440, 314020, 358880, 502432, 558880, 628040, 1119257, 1256080, 2238514, 2512160, 4477028, 5596285, 7834799, 8954056, 11192570, 15669598, 17908112, 22385140, 31339196, 35816224, 39173995, 44770280, 62678392, 78347990, 89540560, 125356784, 156695980, 179081120, 250713568, 313391960, 626783920, 1253567840]

約数ペア:

[(1, 1253567840), (2, 626783920), (4, 313391960), (5, 250713568), (7, 179081120), (8, 156695980), (10, 125356784), (14, 89540560), (16, 78347990), (20, 62678392), (28, 44770280), (32, 39173995), (35, 35816224), (40, 31339196), (56, 22385140), (70, 17908112), (80, 15669598), (112, 11192570), (140, 8954056), (160, 7834799), (224, 5596285), (280, 4477028), (499, 2512160), (560, 2238514), (998, 1256080), (1120, 1119257), (1996, 628040), (2243, 558880), (2495, 502432), (3493, 358880), (3992, 314020), (4486, 279440), (4990, 251216), (6986, 179440), (7984, 157010), (8972, 139720), (9980, 125608), (11215, 111776), (13972, 89720), (15701, 79840), (15968, 78505), (17465, 71776), (17944, 69860), (19960, 62804), (22430, 55888), (27944, 44860), (31402, 39920), (34930, 35888)]