66921240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{6719}}^1$

素因数の和:6816

約数の個数: 64

約数和(自身を含む): 203212800

約数和(自身を除く): 136291560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 120, 166, 249, 332, 415, 498, 664, 830, 996, 1245, 1660, 1992, 2490, 3320, 4980, 6719, 9960, 13438, 20157, 26876, 33595, 40314, 53752, 67190, 80628, 100785, 134380, 161256, 201570, 268760, 403140, 557677, 806280, 1115354, 1673031, 2230708, 2788385, 3346062, 4461416, 5576770, 6692124, 8365155, 11153540, 13384248, 16730310, 22307080, 33460620, 66921240]

約数ペア:

[(1, 66921240), (2, 33460620), (3, 22307080), (4, 16730310), (5, 13384248), (6, 11153540), (8, 8365155), (10, 6692124), (12, 5576770), (15, 4461416), (20, 3346062), (24, 2788385), (30, 2230708), (40, 1673031), (60, 1115354), (83, 806280), (120, 557677), (166, 403140), (249, 268760), (332, 201570), (415, 161256), (498, 134380), (664, 100785), (830, 80628), (996, 67190), (1245, 53752), (1660, 40314), (1992, 33595), (2490, 26876), (3320, 20157), (4980, 13438), (6719, 9960)]