78751540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:737

約数の個数: 96

約数和(自身を含む): 202857984

約数和(自身を除く): 124106444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 37, 46, 70, 74, 92, 115, 140, 148, 161, 185, 230, 259, 322, 370, 460, 518, 644, 661, 740, 805, 851, 1036, 1295, 1322, 1610, 1702, 2590, 2644, 3220, 3305, 3404, 4255, 4627, 5180, 5957, 6610, 8510, 9254, 11914, 13220, 15203, 17020, 18508, 23135, 23828, 24457, 29785, 30406, 46270, 48914, 59570, 60812, 76015, 92540, 97828, 106421, 119140, 122285, 152030, 171199, 212842, 244570, 304060, 342398, 425684, 489140, 532105, 562511, 684796, 855995, 1064210, 1125022, 1711990, 2128420, 2250044, 2812555, 3423980, 3937577, 5625110, 7875154, 11250220, 15750308, 19687885, 39375770, 78751540]

約数ペア:

[(1, 78751540), (2, 39375770), (4, 19687885), (5, 15750308), (7, 11250220), (10, 7875154), (14, 5625110), (20, 3937577), (23, 3423980), (28, 2812555), (35, 2250044), (37, 2128420), (46, 1711990), (70, 1125022), (74, 1064210), (92, 855995), (115, 684796), (140, 562511), (148, 532105), (161, 489140), (185, 425684), (230, 342398), (259, 304060), (322, 244570), (370, 212842), (460, 171199), (518, 152030), (644, 122285), (661, 119140), (740, 106421), (805, 97828), (851, 92540), (1036, 76015), (1295, 60812), (1322, 59570), (1610, 48914), (1702, 46270), (2590, 30406), (2644, 29785), (3220, 24457), (3305, 23828), (3404, 23135), (4255, 18508), (4627, 17020), (5180, 15203), (5957, 13220), (6610, 11914), (8510, 9254)]