71696995760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{254389}}^1$

素因数の和:254686

約数の個数: 80

約数和(自身を含む): 180181384320

約数和(自身を除く): 108484388560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 271, 520, 542, 1040, 1084, 1355, 2168, 2710, 3523, 4336, 5420, 7046, 10840, 14092, 17615, 21680, 28184, 35230, 56368, 70460, 140920, 254389, 281840, 508778, 1017556, 1271945, 2035112, 2543890, 3307057, 4070224, 5087780, 6614114, 10175560, 13228228, 16535285, 20351120, 26456456, 33070570, 52912912, 66141140, 68939419, 132282280, 137878838, 264564560, 275757676, 344697095, 551515352, 689394190, 896212447, 1103030704, 1378788380, 1792424894, 2757576760, 3584849788, 4481062235, 5515153520, 7169699576, 8962124470, 14339399152, 17924248940, 35848497880, 71696995760]

約数ペア:

[(1, 71696995760), (2, 35848497880), (4, 17924248940), (5, 14339399152), (8, 8962124470), (10, 7169699576), (13, 5515153520), (16, 4481062235), (20, 3584849788), (26, 2757576760), (40, 1792424894), (52, 1378788380), (65, 1103030704), (80, 896212447), (104, 689394190), (130, 551515352), (208, 344697095), (260, 275757676), (271, 264564560), (520, 137878838), (542, 132282280), (1040, 68939419), (1084, 66141140), (1355, 52912912), (2168, 33070570), (2710, 26456456), (3523, 20351120), (4336, 16535285), (5420, 13228228), (7046, 10175560), (10840, 6614114), (14092, 5087780), (17615, 4070224), (21680, 3307057), (28184, 2543890), (35230, 2035112), (56368, 1271945), (70460, 1017556), (140920, 508778), (254389, 281840)]