105575440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{521}}^1$

素因数の和:700

約数の個数: 80

約数和(自身を含む): 262148400

約数和(自身を除く): 156572960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 149, 170, 272, 298, 340, 521, 596, 680, 745, 1042, 1192, 1360, 1490, 2084, 2384, 2533, 2605, 2980, 4168, 5066, 5210, 5960, 8336, 8857, 10132, 10420, 11920, 12665, 17714, 20264, 20840, 25330, 35428, 40528, 41680, 44285, 50660, 70856, 77629, 88570, 101320, 141712, 155258, 177140, 202640, 310516, 354280, 388145, 621032, 708560, 776290, 1242064, 1319693, 1552580, 2639386, 3105160, 5278772, 6210320, 6598465, 10557544, 13196930, 21115088, 26393860, 52787720, 105575440]

約数ペア:

[(1, 105575440), (2, 52787720), (4, 26393860), (5, 21115088), (8, 13196930), (10, 10557544), (16, 6598465), (17, 6210320), (20, 5278772), (34, 3105160), (40, 2639386), (68, 1552580), (80, 1319693), (85, 1242064), (136, 776290), (149, 708560), (170, 621032), (272, 388145), (298, 354280), (340, 310516), (521, 202640), (596, 177140), (680, 155258), (745, 141712), (1042, 101320), (1192, 88570), (1360, 77629), (1490, 70856), (2084, 50660), (2384, 44285), (2533, 41680), (2605, 40528), (2980, 35428), (4168, 25330), (5066, 20840), (5210, 20264), (5960, 17714), (8336, 12665), (8857, 11920), (10132, 10420)]