80842160

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{503}}^1$

素因数の和:571

約数の個数: 120

約数和(自身を含む): 224423136

約数和(自身を除く): 143580976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 49, 56, 70, 80, 82, 98, 112, 140, 164, 196, 205, 245, 280, 287, 328, 392, 410, 490, 503, 560, 574, 656, 784, 820, 980, 1006, 1148, 1435, 1640, 1960, 2009, 2012, 2296, 2515, 2870, 3280, 3521, 3920, 4018, 4024, 4592, 5030, 5740, 7042, 8036, 8048, 10045, 10060, 11480, 14084, 16072, 17605, 20090, 20120, 20623, 22960, 24647, 28168, 32144, 35210, 40180, 40240, 41246, 49294, 56336, 70420, 80360, 82492, 98588, 103115, 123235, 140840, 144361, 160720, 164984, 197176, 206230, 246470, 281680, 288722, 329968, 394352, 412460, 492940, 577444, 721805, 824920, 985880, 1010527, 1154888, 1443610, 1649840, 1971760, 2021054, 2309776, 2887220, 4042108, 5052635, 5774440, 8084216, 10105270, 11548880, 16168432, 20210540, 40421080, 80842160]

約数ペア:

[(1, 80842160), (2, 40421080), (4, 20210540), (5, 16168432), (7, 11548880), (8, 10105270), (10, 8084216), (14, 5774440), (16, 5052635), (20, 4042108), (28, 2887220), (35, 2309776), (40, 2021054), (41, 1971760), (49, 1649840), (56, 1443610), (70, 1154888), (80, 1010527), (82, 985880), (98, 824920), (112, 721805), (140, 577444), (164, 492940), (196, 412460), (205, 394352), (245, 329968), (280, 288722), (287, 281680), (328, 246470), (392, 206230), (410, 197176), (490, 164984), (503, 160720), (560, 144361), (574, 140840), (656, 123235), (784, 103115), (820, 98588), (980, 82492), (1006, 80360), (1148, 70420), (1435, 56336), (1640, 49294), (1960, 41246), (2009, 40240), (2012, 40180), (2296, 35210), (2515, 32144), (2870, 28168), (3280, 24647), (3521, 22960), (3920, 20623), (4018, 20120), (4024, 20090), (4592, 17605), (5030, 16072), (5740, 14084), (7042, 11480), (8036, 10060), (8048, 10045)]