15809360

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:173

約数の個数: 120

約数和(自身を含む): 44316360

約数和(自身を除く): 28507000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 49, 56, 70, 74, 80, 98, 109, 112, 140, 148, 185, 196, 218, 245, 259, 280, 296, 370, 392, 436, 490, 518, 545, 560, 592, 740, 763, 784, 872, 980, 1036, 1090, 1295, 1480, 1526, 1744, 1813, 1960, 2072, 2180, 2590, 2960, 3052, 3626, 3815, 3920, 4033, 4144, 4360, 5180, 5341, 6104, 7252, 7630, 8066, 8720, 9065, 10360, 10682, 12208, 14504, 15260, 16132, 18130, 20165, 20720, 21364, 26705, 28231, 29008, 30520, 32264, 36260, 40330, 42728, 53410, 56462, 61040, 64528, 72520, 80660, 85456, 106820, 112924, 141155, 145040, 161320, 197617, 213640, 225848, 282310, 322640, 395234, 427280, 451696, 564620, 790468, 988085, 1129240, 1580936, 1976170, 2258480, 3161872, 3952340, 7904680, 15809360]

約数ペア:

[(1, 15809360), (2, 7904680), (4, 3952340), (5, 3161872), (7, 2258480), (8, 1976170), (10, 1580936), (14, 1129240), (16, 988085), (20, 790468), (28, 564620), (35, 451696), (37, 427280), (40, 395234), (49, 322640), (56, 282310), (70, 225848), (74, 213640), (80, 197617), (98, 161320), (109, 145040), (112, 141155), (140, 112924), (148, 106820), (185, 85456), (196, 80660), (218, 72520), (245, 64528), (259, 61040), (280, 56462), (296, 53410), (370, 42728), (392, 40330), (436, 36260), (490, 32264), (518, 30520), (545, 29008), (560, 28231), (592, 26705), (740, 21364), (763, 20720), (784, 20165), (872, 18130), (980, 16132), (1036, 15260), (1090, 14504), (1295, 12208), (1480, 10682), (1526, 10360), (1744, 9065), (1813, 8720), (1960, 8066), (2072, 7630), (2180, 7252), (2590, 6104), (2960, 5341), (3052, 5180), (3626, 4360), (3815, 4144), (3920, 4033)]