487903920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{290419}}^1$

素因数の和:290442

約数の個数: 80

約数和(自身を含む): 1728579840

約数和(自身を除く): 1240675920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 290419, 580838, 871257, 1161676, 1452095, 1742514, 2032933, 2323352, 2904190, 3485028, 4065866, 4356285, 4646704, 5808380, 6098799, 6970056, 8131732, 8712570, 10164665, 11616760, 12197598, 13940112, 16263464, 17425140, 20329330, 23233520, 24395196, 30493995, 32526928, 34850280, 40658660, 48790392, 60987990, 69700560, 81317320, 97580784, 121975980, 162634640, 243951960, 487903920]

約数ペア:

[(1, 487903920), (2, 243951960), (3, 162634640), (4, 121975980), (5, 97580784), (6, 81317320), (7, 69700560), (8, 60987990), (10, 48790392), (12, 40658660), (14, 34850280), (15, 32526928), (16, 30493995), (20, 24395196), (21, 23233520), (24, 20329330), (28, 17425140), (30, 16263464), (35, 13940112), (40, 12197598), (42, 11616760), (48, 10164665), (56, 8712570), (60, 8131732), (70, 6970056), (80, 6098799), (84, 5808380), (105, 4646704), (112, 4356285), (120, 4065866), (140, 3485028), (168, 2904190), (210, 2323352), (240, 2032933), (280, 1742514), (336, 1452095), (420, 1161676), (560, 871257), (840, 580838), (1680, 290419)]