636693040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{11321}}^1$

素因数の和:11390

約数の個数: 80

約数和(自身を含む): 1600477920

約数和(自身を除く): 963784880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 296, 304, 370, 380, 592, 703, 740, 760, 1406, 1480, 1520, 2812, 2960, 3515, 5624, 7030, 11248, 11321, 14060, 22642, 28120, 45284, 56240, 56605, 90568, 113210, 181136, 215099, 226420, 418877, 430198, 452840, 837754, 860396, 905680, 1075495, 1675508, 1720792, 2094385, 2150990, 3351016, 3441584, 4188770, 4301980, 6702032, 7958663, 8377540, 8603960, 15917326, 16755080, 17207920, 31834652, 33510160, 39793315, 63669304, 79586630, 127338608, 159173260, 318346520, 636693040]

約数ペア:

[(1, 636693040), (2, 318346520), (4, 159173260), (5, 127338608), (8, 79586630), (10, 63669304), (16, 39793315), (19, 33510160), (20, 31834652), (37, 17207920), (38, 16755080), (40, 15917326), (74, 8603960), (76, 8377540), (80, 7958663), (95, 6702032), (148, 4301980), (152, 4188770), (185, 3441584), (190, 3351016), (296, 2150990), (304, 2094385), (370, 1720792), (380, 1675508), (592, 1075495), (703, 905680), (740, 860396), (760, 837754), (1406, 452840), (1480, 430198), (1520, 418877), (2812, 226420), (2960, 215099), (3515, 181136), (5624, 113210), (7030, 90568), (11248, 56605), (11321, 56240), (14060, 45284), (22642, 28120)]