154882520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1999}}^1$

素因数の和:2172

約数の個数: 64

約数和(自身を含む): 378000000

約数和(自身を除く): 223117480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 149, 260, 298, 520, 596, 745, 1192, 1490, 1937, 1999, 2980, 3874, 3998, 5960, 7748, 7996, 9685, 9995, 15496, 15992, 19370, 19990, 25987, 38740, 39980, 51974, 77480, 79960, 103948, 129935, 207896, 259870, 297851, 519740, 595702, 1039480, 1191404, 1489255, 2382808, 2978510, 3872063, 5957020, 7744126, 11914040, 15488252, 19360315, 30976504, 38720630, 77441260, 154882520]

約数ペア:

[(1, 154882520), (2, 77441260), (4, 38720630), (5, 30976504), (8, 19360315), (10, 15488252), (13, 11914040), (20, 7744126), (26, 5957020), (40, 3872063), (52, 2978510), (65, 2382808), (104, 1489255), (130, 1191404), (149, 1039480), (260, 595702), (298, 519740), (520, 297851), (596, 259870), (745, 207896), (1192, 129935), (1490, 103948), (1937, 79960), (1999, 77480), (2980, 51974), (3874, 39980), (3998, 38740), (5960, 25987), (7748, 19990), (7996, 19370), (9685, 15992), (9995, 15496)]