71145880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{379}}^1$

素因数の和:441

約数の個数: 96

約数和(自身を含む): 182422800

約数和(自身を除く): 111276920

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 361, 379, 380, 494, 520, 722, 758, 760, 988, 1235, 1444, 1516, 1805, 1895, 1976, 2470, 2888, 3032, 3610, 3790, 4693, 4927, 4940, 7201, 7220, 7580, 9386, 9854, 9880, 14402, 14440, 15160, 18772, 19708, 23465, 24635, 28804, 36005, 37544, 39416, 46930, 49270, 57608, 72010, 93613, 93860, 98540, 136819, 144020, 187226, 187720, 197080, 273638, 288040, 374452, 468065, 547276, 684095, 748904, 936130, 1094552, 1368190, 1778647, 1872260, 2736380, 3557294, 3744520, 5472760, 7114588, 8893235, 14229176, 17786470, 35572940, 71145880]

約数ペア:

[(1, 71145880), (2, 35572940), (4, 17786470), (5, 14229176), (8, 8893235), (10, 7114588), (13, 5472760), (19, 3744520), (20, 3557294), (26, 2736380), (38, 1872260), (40, 1778647), (52, 1368190), (65, 1094552), (76, 936130), (95, 748904), (104, 684095), (130, 547276), (152, 468065), (190, 374452), (247, 288040), (260, 273638), (361, 197080), (379, 187720), (380, 187226), (494, 144020), (520, 136819), (722, 98540), (758, 93860), (760, 93613), (988, 72010), (1235, 57608), (1444, 49270), (1516, 46930), (1805, 39416), (1895, 37544), (1976, 36005), (2470, 28804), (2888, 24635), (3032, 23465), (3610, 19708), (3790, 18772), (4693, 15160), (4927, 14440), (4940, 14402), (7201, 9880), (7220, 9854), (7580, 9386)]