31287156680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2615983}}^1$

素因数の和:2616030

約数の個数: 64

約数和(自身を含む): 79107356160

約数和(自身を除く): 47820199480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 184, 230, 260, 299, 460, 520, 598, 920, 1196, 1495, 2392, 2990, 5980, 11960, 2615983, 5231966, 10463932, 13079915, 20927864, 26159830, 34007779, 52319660, 60167609, 68015558, 104639320, 120335218, 136031116, 170038895, 240670436, 272062232, 300838045, 340077790, 481340872, 601676090, 680155580, 782178917, 1203352180, 1360311160, 1564357834, 2406704360, 3128715668, 3910894585, 6257431336, 7821789170, 15643578340, 31287156680]

約数ペア:

[(1, 31287156680), (2, 15643578340), (4, 7821789170), (5, 6257431336), (8, 3910894585), (10, 3128715668), (13, 2406704360), (20, 1564357834), (23, 1360311160), (26, 1203352180), (40, 782178917), (46, 680155580), (52, 601676090), (65, 481340872), (92, 340077790), (104, 300838045), (115, 272062232), (130, 240670436), (184, 170038895), (230, 136031116), (260, 120335218), (299, 104639320), (460, 68015558), (520, 60167609), (598, 52319660), (920, 34007779), (1196, 26159830), (1495, 20927864), (2392, 13079915), (2990, 10463932), (5980, 5231966), (11960, 2615983)]