80723580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{27457}}^1$

素因数の和:27483

約数の個数: 72

約数和(自身を含む): 262937808

約数和(自身を除く): 182214228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 27457, 54914, 82371, 109828, 137285, 164742, 192199, 274570, 329484, 384398, 411855, 549140, 576597, 768796, 823710, 960995, 1153194, 1345393, 1647420, 1921990, 2306388, 2690786, 2882985, 3843980, 4036179, 5381572, 5765970, 6726965, 8072358, 11531940, 13453930, 16144716, 20180895, 26907860, 40361790, 80723580]

約数ペア:

[(1, 80723580), (2, 40361790), (3, 26907860), (4, 20180895), (5, 16144716), (6, 13453930), (7, 11531940), (10, 8072358), (12, 6726965), (14, 5765970), (15, 5381572), (20, 4036179), (21, 3843980), (28, 2882985), (30, 2690786), (35, 2306388), (42, 1921990), (49, 1647420), (60, 1345393), (70, 1153194), (84, 960995), (98, 823710), (105, 768796), (140, 576597), (147, 549140), (196, 411855), (210, 384398), (245, 329484), (294, 274570), (420, 192199), (490, 164742), (588, 137285), (735, 109828), (980, 82371), (1470, 54914), (2940, 27457)]