65621640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{78121}}^1$

素因数の和:78142

約数の個数: 64

約数和(自身を含む): 224991360

約数和(自身を除く): 159369720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 78121, 156242, 234363, 312484, 390605, 468726, 546847, 624968, 781210, 937452, 1093694, 1171815, 1562420, 1640541, 1874904, 2187388, 2343630, 2734235, 3124840, 3281082, 4374776, 4687260, 5468470, 6562164, 8202705, 9374520, 10936940, 13124328, 16405410, 21873880, 32810820, 65621640]

約数ペア:

[(1, 65621640), (2, 32810820), (3, 21873880), (4, 16405410), (5, 13124328), (6, 10936940), (7, 9374520), (8, 8202705), (10, 6562164), (12, 5468470), (14, 4687260), (15, 4374776), (20, 3281082), (21, 3124840), (24, 2734235), (28, 2343630), (30, 2187388), (35, 1874904), (40, 1640541), (42, 1562420), (56, 1171815), (60, 1093694), (70, 937452), (84, 781210), (105, 624968), (120, 546847), (140, 468726), (168, 390605), (210, 312484), (280, 234363), (420, 156242), (840, 78121)]