64691340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{154027}}^1$

素因数の和:154046

約数の個数: 48

約数和(自身を含む): 207013632

約数和(自身を除く): 142322292

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, 154027, 308054, 462081, 616108, 770135, 924162, 1078189, 1540270, 1848324, 2156378, 2310405, 3080540, 3234567, 4312756, 4620810, 5390945, 6469134, 9241620, 10781890, 12938268, 16172835, 21563780, 32345670, 64691340]

約数ペア:

[(1, 64691340), (2, 32345670), (3, 21563780), (4, 16172835), (5, 12938268), (6, 10781890), (7, 9241620), (10, 6469134), (12, 5390945), (14, 4620810), (15, 4312756), (20, 3234567), (21, 3080540), (28, 2310405), (30, 2156378), (35, 1848324), (42, 1540270), (60, 1078189), (70, 924162), (84, 770135), (105, 616108), (140, 462081), (210, 308054), (420, 154027)]