320733660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{411197}}^1$

素因数の和:411222

約数の個数: 48

約数和(自身を含む): 967137696

約数和(自身を除く): 646404036

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, 411197, 822394, 1233591, 1644788, 2055985, 2467182, 4111970, 4934364, 5345561, 6167955, 8223940, 10691122, 12335910, 16036683, 21382244, 24671820, 26727805, 32073366, 53455610, 64146732, 80183415, 106911220, 160366830, 320733660]

約数ペア:

[(1, 320733660), (2, 160366830), (3, 106911220), (4, 80183415), (5, 64146732), (6, 53455610), (10, 32073366), (12, 26727805), (13, 24671820), (15, 21382244), (20, 16036683), (26, 12335910), (30, 10691122), (39, 8223940), (52, 6167955), (60, 5345561), (65, 4934364), (78, 4111970), (130, 2467182), (156, 2055985), (195, 1644788), (260, 1233591), (390, 822394), (780, 411197)]