161455440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21701}}^1$

素因数の和:21748

約数の個数: 80

約数和(自身を含む): 516681216

約数和(自身を除く): 355225776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 21701, 43402, 65103, 86804, 108505, 130206, 173608, 217010, 260412, 325515, 347216, 434020, 520824, 651030, 672731, 868040, 1041648, 1302060, 1345462, 1736080, 2018193, 2604120, 2690924, 3363655, 4036386, 5208240, 5381848, 6727310, 8072772, 10090965, 10763696, 13454620, 16145544, 20181930, 26909240, 32291088, 40363860, 53818480, 80727720, 161455440]

約数ペア:

[(1, 161455440), (2, 80727720), (3, 53818480), (4, 40363860), (5, 32291088), (6, 26909240), (8, 20181930), (10, 16145544), (12, 13454620), (15, 10763696), (16, 10090965), (20, 8072772), (24, 6727310), (30, 5381848), (31, 5208240), (40, 4036386), (48, 3363655), (60, 2690924), (62, 2604120), (80, 2018193), (93, 1736080), (120, 1345462), (124, 1302060), (155, 1041648), (186, 868040), (240, 672731), (248, 651030), (310, 520824), (372, 434020), (465, 347216), (496, 325515), (620, 260412), (744, 217010), (930, 173608), (1240, 130206), (1488, 108505), (1860, 86804), (2480, 65103), (3720, 43402), (7440, 21701)]