642217360

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{1321}}^1$

素因数の和:1496

約数の個数: 80

約数和(自身を含む): 1534366080

約数和(自身を除く): 892148720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 103, 118, 206, 236, 295, 412, 472, 515, 590, 824, 944, 1030, 1180, 1321, 1648, 2060, 2360, 2642, 4120, 4720, 5284, 6077, 6605, 8240, 10568, 12154, 13210, 21136, 24308, 26420, 30385, 48616, 52840, 60770, 77939, 97232, 105680, 121540, 136063, 155878, 243080, 272126, 311756, 389695, 486160, 544252, 623512, 680315, 779390, 1088504, 1247024, 1360630, 1558780, 2177008, 2721260, 3117560, 5442520, 6235120, 8027717, 10885040, 16055434, 32110868, 40138585, 64221736, 80277170, 128443472, 160554340, 321108680, 642217360]

約数ペア:

[(1, 642217360), (2, 321108680), (4, 160554340), (5, 128443472), (8, 80277170), (10, 64221736), (16, 40138585), (20, 32110868), (40, 16055434), (59, 10885040), (80, 8027717), (103, 6235120), (118, 5442520), (206, 3117560), (236, 2721260), (295, 2177008), (412, 1558780), (472, 1360630), (515, 1247024), (590, 1088504), (824, 779390), (944, 680315), (1030, 623512), (1180, 544252), (1321, 486160), (1648, 389695), (2060, 311756), (2360, 272126), (2642, 243080), (4120, 155878), (4720, 136063), (5284, 121540), (6077, 105680), (6605, 97232), (8240, 77939), (10568, 60770), (12154, 52840), (13210, 48616), (21136, 30385), (24308, 26420)]