64310740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:233

約数の個数: 96

約数和(自身を含む): 153538560

約数和(自身を除く): 89227820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 79, 101, 124, 130, 155, 158, 202, 260, 310, 316, 395, 403, 404, 505, 620, 790, 806, 1010, 1027, 1313, 1580, 1612, 2015, 2020, 2054, 2449, 2626, 3131, 4030, 4108, 4898, 5135, 5252, 6262, 6565, 7979, 8060, 9796, 10270, 12245, 12524, 13130, 15655, 15958, 20540, 24490, 26260, 31310, 31837, 31916, 39895, 40703, 48980, 62620, 63674, 79790, 81406, 103727, 127348, 159185, 159580, 162812, 203515, 207454, 247349, 318370, 407030, 414908, 494698, 518635, 636740, 814060, 989396, 1037270, 1236745, 2074540, 2473490, 3215537, 4946980, 6431074, 12862148, 16077685, 32155370, 64310740]

約数ペア:

[(1, 64310740), (2, 32155370), (4, 16077685), (5, 12862148), (10, 6431074), (13, 4946980), (20, 3215537), (26, 2473490), (31, 2074540), (52, 1236745), (62, 1037270), (65, 989396), (79, 814060), (101, 636740), (124, 518635), (130, 494698), (155, 414908), (158, 407030), (202, 318370), (260, 247349), (310, 207454), (316, 203515), (395, 162812), (403, 159580), (404, 159185), (505, 127348), (620, 103727), (790, 81406), (806, 79790), (1010, 63674), (1027, 62620), (1313, 48980), (1580, 40703), (1612, 39895), (2015, 31916), (2020, 31837), (2054, 31310), (2449, 26260), (2626, 24490), (3131, 20540), (4030, 15958), (4108, 15655), (4898, 13130), (5135, 12524), (5252, 12245), (6262, 10270), (6565, 9796), (7979, 8060)]