138996560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1367}}^1$

素因数の和:1452

約数の個数: 80

約数和(自身を含む): 341978112

約数和(自身を除く): 202981552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 328, 410, 496, 620, 656, 820, 1240, 1271, 1367, 1640, 2480, 2542, 2734, 3280, 5084, 5468, 6355, 6835, 10168, 10936, 12710, 13670, 20336, 21872, 25420, 27340, 42377, 50840, 54680, 56047, 84754, 101680, 109360, 112094, 169508, 211885, 224188, 280235, 339016, 423770, 448376, 560470, 678032, 847540, 896752, 1120940, 1695080, 1737457, 2241880, 3390160, 3474914, 4483760, 6949828, 8687285, 13899656, 17374570, 27799312, 34749140, 69498280, 138996560]

約数ペア:

[(1, 138996560), (2, 69498280), (4, 34749140), (5, 27799312), (8, 17374570), (10, 13899656), (16, 8687285), (20, 6949828), (31, 4483760), (40, 3474914), (41, 3390160), (62, 2241880), (80, 1737457), (82, 1695080), (124, 1120940), (155, 896752), (164, 847540), (205, 678032), (248, 560470), (310, 448376), (328, 423770), (410, 339016), (496, 280235), (620, 224188), (656, 211885), (820, 169508), (1240, 112094), (1271, 109360), (1367, 101680), (1640, 84754), (2480, 56047), (2542, 54680), (2734, 50840), (3280, 42377), (5084, 27340), (5468, 25420), (6355, 21872), (6835, 20336), (10168, 13670), (10936, 12710)]