15154998520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1451}}^1\times {\mathrm{8423}}^1$

素因数の和:9916

約数の個数: 64

約数和(自身を含む): 35227146240

約数和(自身を除く): 20072147720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1451, 2902, 5804, 7255, 8423, 11608, 14510, 16846, 29020, 33692, 42115, 44981, 58040, 67384, 84230, 89962, 168460, 179924, 224905, 261113, 336920, 359848, 449810, 522226, 899620, 1044452, 1305565, 1799240, 2088904, 2611130, 5222260, 10444520, 12221773, 24443546, 48887092, 61108865, 97774184, 122217730, 244435460, 378874963, 488870920, 757749926, 1515499852, 1894374815, 3030999704, 3788749630, 7577499260, 15154998520]

約数ペア:

[(1, 15154998520), (2, 7577499260), (4, 3788749630), (5, 3030999704), (8, 1894374815), (10, 1515499852), (20, 757749926), (31, 488870920), (40, 378874963), (62, 244435460), (124, 122217730), (155, 97774184), (248, 61108865), (310, 48887092), (620, 24443546), (1240, 12221773), (1451, 10444520), (2902, 5222260), (5804, 2611130), (7255, 2088904), (8423, 1799240), (11608, 1305565), (14510, 1044452), (16846, 899620), (29020, 522226), (33692, 449810), (42115, 359848), (44981, 336920), (58040, 261113), (67384, 224905), (84230, 179924), (89962, 168460)]