85981980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{204719}}^1$

素因数の和:204738

約数の個数: 48

約数和(自身を含む): 275143680

約数和(自身を除く): 189161700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 204719, 409438, 614157, 818876, 1023595, 1228314, 1433033, 2047190, 2456628, 2866066, 3070785, 4094380, 4299099, 5732132, 6141570, 7165165, 8598198, 12283140, 14330330, 17196396, 21495495, 28660660, 42990990, 85981980]

約数ペア:

[(1, 85981980), (2, 42990990), (3, 28660660), (4, 21495495), (5, 17196396), (6, 14330330), (7, 12283140), (10, 8598198), (12, 7165165), (14, 6141570), (15, 5732132), (20, 4299099), (21, 4094380), (28, 3070785), (30, 2866066), (35, 2456628), (42, 2047190), (60, 1433033), (70, 1228314), (84, 1023595), (105, 818876), (140, 614157), (210, 409438), (420, 204719)]