66859660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7829}}^1$

素因数の和:7906

約数の個数: 48

約数和(自身を含む): 163114560

約数和(自身を除く): 96254900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 7829, 8540, 15658, 31316, 39145, 54803, 78290, 109606, 156580, 219212, 274015, 477569, 548030, 955138, 1096060, 1910276, 2387845, 3342983, 4775690, 6685966, 9551380, 13371932, 16714915, 33429830, 66859660]

約数ペア:

[(1, 66859660), (2, 33429830), (4, 16714915), (5, 13371932), (7, 9551380), (10, 6685966), (14, 4775690), (20, 3342983), (28, 2387845), (35, 1910276), (61, 1096060), (70, 955138), (122, 548030), (140, 477569), (244, 274015), (305, 219212), (427, 156580), (610, 109606), (854, 78290), (1220, 54803), (1708, 39145), (2135, 31316), (4270, 15658), (7829, 8540)]