31572880

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1$

素因数の和:512

約数の個数: 80

約数和(自身を含む): 78566400

約数和(自身を除く): 46993520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 62, 80, 116, 124, 145, 155, 232, 248, 290, 310, 439, 464, 496, 580, 620, 878, 899, 1160, 1240, 1756, 1798, 2195, 2320, 2480, 3512, 3596, 4390, 4495, 7024, 7192, 8780, 8990, 12731, 13609, 14384, 17560, 17980, 25462, 27218, 35120, 35960, 50924, 54436, 63655, 68045, 71920, 101848, 108872, 127310, 136090, 203696, 217744, 254620, 272180, 394661, 509240, 544360, 789322, 1018480, 1088720, 1578644, 1973305, 3157288, 3946610, 6314576, 7893220, 15786440, 31572880]

約数ペア:

[(1, 31572880), (2, 15786440), (4, 7893220), (5, 6314576), (8, 3946610), (10, 3157288), (16, 1973305), (20, 1578644), (29, 1088720), (31, 1018480), (40, 789322), (58, 544360), (62, 509240), (80, 394661), (116, 272180), (124, 254620), (145, 217744), (155, 203696), (232, 136090), (248, 127310), (290, 108872), (310, 101848), (439, 71920), (464, 68045), (496, 63655), (580, 54436), (620, 50924), (878, 35960), (899, 35120), (1160, 27218), (1240, 25462), (1756, 17980), (1798, 17560), (2195, 14384), (2320, 13609), (2480, 12731), (3512, 8990), (3596, 8780), (4390, 7192), (4495, 7024)]