28377960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18191}}^1$

素因数の和:18218

約数の個数: 64

約数和(自身を含む): 91687680

約数和(自身を除く): 63309720

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, 260, 312, 390, 520, 780, 1560, 18191, 36382, 54573, 72764, 90955, 109146, 145528, 181910, 218292, 236483, 272865, 363820, 436584, 472966, 545730, 709449, 727640, 945932, 1091460, 1182415, 1418898, 1891864, 2182920, 2364830, 2837796, 3547245, 4729660, 5675592, 7094490, 9459320, 14188980, 28377960]

約数ペア:

[(1, 28377960), (2, 14188980), (3, 9459320), (4, 7094490), (5, 5675592), (6, 4729660), (8, 3547245), (10, 2837796), (12, 2364830), (13, 2182920), (15, 1891864), (20, 1418898), (24, 1182415), (26, 1091460), (30, 945932), (39, 727640), (40, 709449), (52, 545730), (60, 472966), (65, 436584), (78, 363820), (104, 272865), (120, 236483), (130, 218292), (156, 181910), (195, 145528), (260, 109146), (312, 90955), (390, 72764), (520, 54573), (780, 36382), (1560, 18191)]