15904140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1993}}^1$

素因数の和:2031

約数の個数: 96

約数和(自身を含む): 53598720

約数和(自身を除く): 37694580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 84, 95, 105, 114, 133, 140, 190, 210, 228, 266, 285, 380, 399, 420, 532, 570, 665, 798, 1140, 1330, 1596, 1993, 1995, 2660, 3986, 3990, 5979, 7972, 7980, 9965, 11958, 13951, 19930, 23916, 27902, 29895, 37867, 39860, 41853, 55804, 59790, 69755, 75734, 83706, 113601, 119580, 139510, 151468, 167412, 189335, 209265, 227202, 265069, 279020, 378670, 418530, 454404, 530138, 568005, 757340, 795207, 837060, 1060276, 1136010, 1325345, 1590414, 2272020, 2650690, 3180828, 3976035, 5301380, 7952070, 15904140]

約数ペア:

[(1, 15904140), (2, 7952070), (3, 5301380), (4, 3976035), (5, 3180828), (6, 2650690), (7, 2272020), (10, 1590414), (12, 1325345), (14, 1136010), (15, 1060276), (19, 837060), (20, 795207), (21, 757340), (28, 568005), (30, 530138), (35, 454404), (38, 418530), (42, 378670), (57, 279020), (60, 265069), (70, 227202), (76, 209265), (84, 189335), (95, 167412), (105, 151468), (114, 139510), (133, 119580), (140, 113601), (190, 83706), (210, 75734), (228, 69755), (266, 59790), (285, 55804), (380, 41853), (399, 39860), (420, 37867), (532, 29895), (570, 27902), (665, 23916), (798, 19930), (1140, 13951), (1330, 11958), (1596, 9965), (1993, 7980), (1995, 7972), (2660, 5979), (3986, 3990)]