80727720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21701}}^1$

素因数の和:21746

約数の個数: 64

約数和(自身を含む): 250007040

約数和(自身を除く): 169279320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 21701, 43402, 65103, 86804, 108505, 130206, 173608, 217010, 260412, 325515, 434020, 520824, 651030, 672731, 868040, 1302060, 1345462, 2018193, 2604120, 2690924, 3363655, 4036386, 5381848, 6727310, 8072772, 10090965, 13454620, 16145544, 20181930, 26909240, 40363860, 80727720]

約数ペア:

[(1, 80727720), (2, 40363860), (3, 26909240), (4, 20181930), (5, 16145544), (6, 13454620), (8, 10090965), (10, 8072772), (12, 6727310), (15, 5381848), (20, 4036386), (24, 3363655), (30, 2690924), (31, 2604120), (40, 2018193), (60, 1345462), (62, 1302060), (93, 868040), (120, 672731), (124, 651030), (155, 520824), (186, 434020), (248, 325515), (310, 260412), (372, 217010), (465, 173608), (620, 130206), (744, 108505), (930, 86804), (1240, 65103), (1860, 43402), (3720, 21701)]