15907840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1$

素因数の和:277

約数の個数: 88

約数和(自身を含む): 41267520

約数和(自身を除く): 25359680

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 239, 256, 260, 320, 416, 478, 512, 520, 640, 832, 956, 1024, 1040, 1195, 1280, 1664, 1912, 2080, 2390, 2560, 3107, 3328, 3824, 4160, 4780, 5120, 6214, 6656, 7648, 8320, 9560, 12428, 13312, 15296, 15535, 16640, 19120, 24856, 30592, 31070, 33280, 38240, 49712, 61184, 62140, 66560, 76480, 99424, 122368, 124280, 152960, 198848, 244736, 248560, 305920, 397696, 497120, 611840, 795392, 994240, 1223680, 1590784, 1988480, 3181568, 3976960, 7953920, 15907840]

約数ペア:

[(1, 15907840), (2, 7953920), (4, 3976960), (5, 3181568), (8, 1988480), (10, 1590784), (13, 1223680), (16, 994240), (20, 795392), (26, 611840), (32, 497120), (40, 397696), (52, 305920), (64, 248560), (65, 244736), (80, 198848), (104, 152960), (128, 124280), (130, 122368), (160, 99424), (208, 76480), (239, 66560), (256, 62140), (260, 61184), (320, 49712), (416, 38240), (478, 33280), (512, 31070), (520, 30592), (640, 24856), (832, 19120), (956, 16640), (1024, 15535), (1040, 15296), (1195, 13312), (1280, 12428), (1664, 9560), (1912, 8320), (2080, 7648), (2390, 6656), (2560, 6214), (3107, 5120), (3328, 4780), (3824, 4160)]