61635440

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{857}}^1$

素因数の和:930

約数の個数: 80

約数和(自身を含む): 153204480

約数和(自身を除く): 91569040

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, 464, 496, 580, 620, 857, 899, 1160, 1240, 1714, 1798, 2320, 2480, 3428, 3596, 4285, 4495, 6856, 7192, 8570, 8990, 13712, 14384, 17140, 17980, 24853, 26567, 34280, 35960, 49706, 53134, 68560, 71920, 99412, 106268, 124265, 132835, 198824, 212536, 248530, 265670, 397648, 425072, 497060, 531340, 770443, 994120, 1062680, 1540886, 1988240, 2125360, 3081772, 3852215, 6163544, 7704430, 12327088, 15408860, 30817720, 61635440]

約数ペア:

[(1, 61635440), (2, 30817720), (4, 15408860), (5, 12327088), (8, 7704430), (10, 6163544), (16, 3852215), (20, 3081772), (29, 2125360), (31, 1988240), (40, 1540886), (58, 1062680), (62, 994120), (80, 770443), (116, 531340), (124, 497060), (145, 425072), (155, 397648), (232, 265670), (248, 248530), (290, 212536), (310, 198824), (464, 132835), (496, 124265), (580, 106268), (620, 99412), (857, 71920), (899, 68560), (1160, 53134), (1240, 49706), (1714, 35960), (1798, 34280), (2320, 26567), (2480, 24853), (3428, 17980), (3596, 17140), (4285, 14384), (4495, 13712), (6856, 8990), (7192, 8570)]