405298920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{3559}}^1$

素因数の和:3659

約数の個数: 128

約数和(自身を含む): 1327737600

約数和(自身を除く): 922438680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 73, 78, 104, 120, 130, 146, 156, 195, 219, 260, 292, 312, 365, 390, 438, 520, 584, 730, 780, 876, 949, 1095, 1460, 1560, 1752, 1898, 2190, 2847, 2920, 3559, 3796, 4380, 4745, 5694, 7118, 7592, 8760, 9490, 10677, 11388, 14235, 14236, 17795, 18980, 21354, 22776, 28470, 28472, 35590, 37960, 42708, 46267, 53385, 56940, 71180, 85416, 92534, 106770, 113880, 138801, 142360, 185068, 213540, 231335, 259807, 277602, 370136, 427080, 462670, 519614, 555204, 694005, 779421, 925340, 1039228, 1110408, 1299035, 1388010, 1558842, 1850680, 2078456, 2598070, 2776020, 3117684, 3377491, 3897105, 5196140, 5552040, 6235368, 6754982, 7794210, 10132473, 10392280, 13509964, 15588420, 16887455, 20264946, 27019928, 31176840, 33774910, 40529892, 50662365, 67549820, 81059784, 101324730, 135099640, 202649460, 405298920]

約数ペア:

[(1, 405298920), (2, 202649460), (3, 135099640), (4, 101324730), (5, 81059784), (6, 67549820), (8, 50662365), (10, 40529892), (12, 33774910), (13, 31176840), (15, 27019928), (20, 20264946), (24, 16887455), (26, 15588420), (30, 13509964), (39, 10392280), (40, 10132473), (52, 7794210), (60, 6754982), (65, 6235368), (73, 5552040), (78, 5196140), (104, 3897105), (120, 3377491), (130, 3117684), (146, 2776020), (156, 2598070), (195, 2078456), (219, 1850680), (260, 1558842), (292, 1388010), (312, 1299035), (365, 1110408), (390, 1039228), (438, 925340), (520, 779421), (584, 694005), (730, 555204), (780, 519614), (876, 462670), (949, 427080), (1095, 370136), (1460, 277602), (1560, 259807), (1752, 231335), (1898, 213540), (2190, 185068), (2847, 142360), (2920, 138801), (3559, 113880), (3796, 106770), (4380, 92534), (4745, 85416), (5694, 71180), (7118, 56940), (7592, 53385), (8760, 46267), (9490, 42708), (10677, 37960), (11388, 35590), (14235, 28472), (14236, 28470), (17795, 22776), (18980, 21354)]