181090520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18329}}^1$

素因数の和:18372

約数の個数: 64

約数和(自身を含む): 461916000

約数和(自身を除く): 280825480

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 18329, 36658, 73316, 91645, 146632, 183290, 238277, 348251, 366580, 476554, 696502, 733160, 953108, 1191385, 1393004, 1741255, 1906216, 2382770, 2786008, 3482510, 4527263, 4765540, 6965020, 9054526, 9531080, 13930040, 18109052, 22636315, 36218104, 45272630, 90545260, 181090520]

約数ペア:

[(1, 181090520), (2, 90545260), (4, 45272630), (5, 36218104), (8, 22636315), (10, 18109052), (13, 13930040), (19, 9531080), (20, 9054526), (26, 6965020), (38, 4765540), (40, 4527263), (52, 3482510), (65, 2786008), (76, 2382770), (95, 1906216), (104, 1741255), (130, 1393004), (152, 1191385), (190, 953108), (247, 733160), (260, 696502), (380, 476554), (494, 366580), (520, 348251), (760, 238277), (988, 183290), (1235, 146632), (1976, 91645), (2470, 73316), (4940, 36658), (9880, 18329)]