74847760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{911}}^1$

素因数の和:1016

約数の個数: 80

約数和(自身を含む): 189987840

約数和(自身を除く): 115140080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 79, 80, 104, 130, 158, 208, 260, 316, 395, 520, 632, 790, 911, 1027, 1040, 1264, 1580, 1822, 2054, 3160, 3644, 4108, 4555, 5135, 6320, 7288, 8216, 9110, 10270, 11843, 14576, 16432, 18220, 20540, 23686, 36440, 41080, 47372, 59215, 71969, 72880, 82160, 94744, 118430, 143938, 189488, 236860, 287876, 359845, 473720, 575752, 719690, 935597, 947440, 1151504, 1439380, 1871194, 2878760, 3742388, 4677985, 5757520, 7484776, 9355970, 14969552, 18711940, 37423880, 74847760]

約数ペア:

[(1, 74847760), (2, 37423880), (4, 18711940), (5, 14969552), (8, 9355970), (10, 7484776), (13, 5757520), (16, 4677985), (20, 3742388), (26, 2878760), (40, 1871194), (52, 1439380), (65, 1151504), (79, 947440), (80, 935597), (104, 719690), (130, 575752), (158, 473720), (208, 359845), (260, 287876), (316, 236860), (395, 189488), (520, 143938), (632, 118430), (790, 94744), (911, 82160), (1027, 72880), (1040, 71969), (1264, 59215), (1580, 47372), (1822, 41080), (2054, 36440), (3160, 23686), (3644, 20540), (4108, 18220), (4555, 16432), (5135, 14576), (6320, 11843), (7288, 10270), (8216, 9110)]