15383920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{349}}^1$

素因数の和:410

約数の個数: 80

約数和(自身を含む): 39060000

約数和(自身を除く): 23676080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 38, 40, 58, 76, 80, 95, 116, 145, 152, 190, 232, 290, 304, 349, 380, 464, 551, 580, 698, 760, 1102, 1160, 1396, 1520, 1745, 2204, 2320, 2755, 2792, 3490, 4408, 5510, 5584, 6631, 6980, 8816, 10121, 11020, 13262, 13960, 20242, 22040, 26524, 27920, 33155, 40484, 44080, 50605, 53048, 66310, 80968, 101210, 106096, 132620, 161936, 192299, 202420, 265240, 384598, 404840, 530480, 769196, 809680, 961495, 1538392, 1922990, 3076784, 3845980, 7691960, 15383920]

約数ペア:

[(1, 15383920), (2, 7691960), (4, 3845980), (5, 3076784), (8, 1922990), (10, 1538392), (16, 961495), (19, 809680), (20, 769196), (29, 530480), (38, 404840), (40, 384598), (58, 265240), (76, 202420), (80, 192299), (95, 161936), (116, 132620), (145, 106096), (152, 101210), (190, 80968), (232, 66310), (290, 53048), (304, 50605), (349, 44080), (380, 40484), (464, 33155), (551, 27920), (580, 26524), (698, 22040), (760, 20242), (1102, 13960), (1160, 13262), (1396, 11020), (1520, 10121), (1745, 8816), (2204, 6980), (2320, 6631), (2755, 5584), (2792, 5510), (3490, 4408)]