78285660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{881}}^1\times {\mathrm{1481}}^1$

素因数の和:2374

約数の個数: 48

約数和(自身を含む): 219596832

約数和(自身を除く): 141311172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 881, 1481, 1762, 2643, 2962, 3524, 4405, 4443, 5286, 5924, 7405, 8810, 8886, 10572, 13215, 14810, 17620, 17772, 22215, 26430, 29620, 44430, 52860, 88860, 1304761, 2609522, 3914283, 5219044, 6523805, 7828566, 13047610, 15657132, 19571415, 26095220, 39142830, 78285660]

約数ペア:

[(1, 78285660), (2, 39142830), (3, 26095220), (4, 19571415), (5, 15657132), (6, 13047610), (10, 7828566), (12, 6523805), (15, 5219044), (20, 3914283), (30, 2609522), (60, 1304761), (881, 88860), (1481, 52860), (1762, 44430), (2643, 29620), (2962, 26430), (3524, 22215), (4405, 17772), (4443, 17620), (5286, 14810), (5924, 13215), (7405, 10572), (8810, 8886)]