865152080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43783}}^1$

素因数の和:43828

約数の個数: 80

約数和(自身を含む): 2280270720

約数和(自身を除く): 1415118640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 9880, 19760, 43783, 87566, 175132, 218915, 350264, 437830, 569179, 700528, 831877, 875660, 1138358, 1663754, 1751320, 2276716, 2845895, 3327508, 3502640, 4159385, 4553432, 5691790, 6655016, 8318770, 9106864, 10814401, 11383580, 13310032, 16637540, 21628802, 22767160, 33275080, 43257604, 45534320, 54072005, 66550160, 86515208, 108144010, 173030416, 216288020, 432576040, 865152080]

約数ペア:

[(1, 865152080), (2, 432576040), (4, 216288020), (5, 173030416), (8, 108144010), (10, 86515208), (13, 66550160), (16, 54072005), (19, 45534320), (20, 43257604), (26, 33275080), (38, 22767160), (40, 21628802), (52, 16637540), (65, 13310032), (76, 11383580), (80, 10814401), (95, 9106864), (104, 8318770), (130, 6655016), (152, 5691790), (190, 4553432), (208, 4159385), (247, 3502640), (260, 3327508), (304, 2845895), (380, 2276716), (494, 1751320), (520, 1663754), (760, 1138358), (988, 875660), (1040, 831877), (1235, 700528), (1520, 569179), (1976, 437830), (2470, 350264), (3952, 218915), (4940, 175132), (9880, 87566), (19760, 43783)]