307320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1$

素因数の和:224

約数の個数: 64

約数和(自身を含む): 997920

約数和(自身を除く): 690600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 197, 260, 312, 390, 394, 520, 591, 780, 788, 985, 1182, 1560, 1576, 1970, 2364, 2561, 2955, 3940, 4728, 5122, 5910, 7683, 7880, 10244, 11820, 12805, 15366, 20488, 23640, 25610, 30732, 38415, 51220, 61464, 76830, 102440, 153660, 307320]

約数ペア:

[(1, 307320), (2, 153660), (3, 102440), (4, 76830), (5, 61464), (6, 51220), (8, 38415), (10, 30732), (12, 25610), (13, 23640), (15, 20488), (20, 15366), (24, 12805), (26, 11820), (30, 10244), (39, 7880), (40, 7683), (52, 5910), (60, 5122), (65, 4728), (78, 3940), (104, 2955), (120, 2561), (130, 2364), (156, 1970), (195, 1576), (197, 1560), (260, 1182), (312, 985), (390, 788), (394, 780), (520, 591)]