172271580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{220861}}^1$

素因数の和:220886

約数の個数: 48

約数和(自身を含む): 519467424

約数和(自身を除く): 347195844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 220861, 441722, 662583, 883444, 1104305, 1325166, 2208610, 2650332, 2871193, 3312915, 4417220, 5742386, 6625830, 8613579, 11484772, 13251660, 14355965, 17227158, 28711930, 34454316, 43067895, 57423860, 86135790, 172271580]

約数ペア:

[(1, 172271580), (2, 86135790), (3, 57423860), (4, 43067895), (5, 34454316), (6, 28711930), (10, 17227158), (12, 14355965), (13, 13251660), (15, 11484772), (20, 8613579), (26, 6625830), (30, 5742386), (39, 4417220), (52, 3312915), (60, 2871193), (65, 2650332), (78, 2208610), (130, 1325166), (156, 1104305), (195, 883444), (260, 662583), (390, 441722), (780, 220861)]