80908140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43499}}^1$

素因数の和:43542

約数の個数: 48

約数和(自身を含む): 233856000

約数和(自身を除く): 152947860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 43499, 86998, 130497, 173996, 217495, 260994, 434990, 521988, 652485, 869980, 1304970, 1348469, 2609940, 2696938, 4045407, 5393876, 6742345, 8090814, 13484690, 16181628, 20227035, 26969380, 40454070, 80908140]

約数ペア:

[(1, 80908140), (2, 40454070), (3, 26969380), (4, 20227035), (5, 16181628), (6, 13484690), (10, 8090814), (12, 6742345), (15, 5393876), (20, 4045407), (30, 2696938), (31, 2609940), (60, 1348469), (62, 1304970), (93, 869980), (124, 652485), (155, 521988), (186, 434990), (310, 260994), (372, 217495), (465, 173996), (620, 130497), (930, 86998), (1860, 43499)]