399100560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{40559}}^1$

素因数の和:40616

約数の個数: 80

約数和(自身を含む): 1267418880

約数和(自身を除く): 868318320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1968, 2460, 3280, 4920, 9840, 40559, 81118, 121677, 162236, 202795, 243354, 324472, 405590, 486708, 608385, 648944, 811180, 973416, 1216770, 1622360, 1662919, 1946832, 2433540, 3244720, 3325838, 4867080, 4988757, 6651676, 8314595, 9734160, 9977514, 13303352, 16629190, 19955028, 24943785, 26606704, 33258380, 39910056, 49887570, 66516760, 79820112, 99775140, 133033520, 199550280, 399100560]

約数ペア:

[(1, 399100560), (2, 199550280), (3, 133033520), (4, 99775140), (5, 79820112), (6, 66516760), (8, 49887570), (10, 39910056), (12, 33258380), (15, 26606704), (16, 24943785), (20, 19955028), (24, 16629190), (30, 13303352), (40, 9977514), (41, 9734160), (48, 8314595), (60, 6651676), (80, 4988757), (82, 4867080), (120, 3325838), (123, 3244720), (164, 2433540), (205, 1946832), (240, 1662919), (246, 1622360), (328, 1216770), (410, 973416), (492, 811180), (615, 648944), (656, 608385), (820, 486708), (984, 405590), (1230, 324472), (1640, 243354), (1968, 202795), (2460, 162236), (3280, 121677), (4920, 81118), (9840, 40559)]