1640154670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1579}}^1$

素因数の和:1694

約数の個数: 128

約数和(自身を含む): 3931545600

約数和(自身を除く): 2291390930

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 55, 70, 71, 77, 95, 110, 133, 142, 154, 190, 209, 266, 355, 385, 418, 497, 665, 710, 770, 781, 994, 1045, 1330, 1349, 1463, 1562, 1579, 2090, 2485, 2698, 2926, 3158, 3905, 4970, 5467, 6745, 7315, 7810, 7895, 9443, 10934, 11053, 13490, 14630, 14839, 15790, 17369, 18886, 22106, 27335, 29678, 30001, 34738, 47215, 54670, 55265, 60002, 74195, 86845, 94430, 103873, 110530, 112109, 121583, 148390, 150005, 173690, 207746, 210007, 224218, 243166, 300010, 330011, 420014, 519365, 560545, 607915, 660022, 784763, 1038730, 1050035, 1121090, 1215830, 1233199, 1569526, 1650055, 2100070, 2130071, 2310077, 2466398, 3300110, 3923815, 4260142, 4620154, 6165995, 7847630, 8632393, 10650355, 11550385, 12331990, 14910497, 17264786, 21300710, 23100770, 23430781, 29820994, 43161965, 46861562, 74552485, 86323930, 117153905, 149104970, 164015467, 234307810, 328030934, 820077335, 1640154670]

約数ペア:

[(1, 1640154670), (2, 820077335), (5, 328030934), (7, 234307810), (10, 164015467), (11, 149104970), (14, 117153905), (19, 86323930), (22, 74552485), (35, 46861562), (38, 43161965), (55, 29820994), (70, 23430781), (71, 23100770), (77, 21300710), (95, 17264786), (110, 14910497), (133, 12331990), (142, 11550385), (154, 10650355), (190, 8632393), (209, 7847630), (266, 6165995), (355, 4620154), (385, 4260142), (418, 3923815), (497, 3300110), (665, 2466398), (710, 2310077), (770, 2130071), (781, 2100070), (994, 1650055), (1045, 1569526), (1330, 1233199), (1349, 1215830), (1463, 1121090), (1562, 1050035), (1579, 1038730), (2090, 784763), (2485, 660022), (2698, 607915), (2926, 560545), (3158, 519365), (3905, 420014), (4970, 330011), (5467, 300010), (6745, 243166), (7315, 224218), (7810, 210007), (7895, 207746), (9443, 173690), (10934, 150005), (11053, 148390), (13490, 121583), (14630, 112109), (14839, 110530), (15790, 103873), (17369, 94430), (18886, 86845), (22106, 74195), (27335, 60002), (29678, 55265), (30001, 54670), (34738, 47215)]