71984240

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{293}}^1$

素因数の和:426

約数の個数: 80

約数和(自身を含む): 174551328

約数和(自身を除く): 102567088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 83, 148, 166, 185, 293, 296, 332, 370, 415, 586, 592, 664, 740, 830, 1172, 1328, 1465, 1480, 1660, 2344, 2930, 2960, 3071, 3320, 4688, 5860, 6142, 6640, 10841, 11720, 12284, 15355, 21682, 23440, 24319, 24568, 30710, 43364, 48638, 49136, 54205, 61420, 86728, 97276, 108410, 121595, 122840, 173456, 194552, 216820, 243190, 245680, 389104, 433640, 486380, 867280, 899803, 972760, 1799606, 1945520, 3599212, 4499015, 7198424, 8998030, 14396848, 17996060, 35992120, 71984240]

約数ペア:

[(1, 71984240), (2, 35992120), (4, 17996060), (5, 14396848), (8, 8998030), (10, 7198424), (16, 4499015), (20, 3599212), (37, 1945520), (40, 1799606), (74, 972760), (80, 899803), (83, 867280), (148, 486380), (166, 433640), (185, 389104), (293, 245680), (296, 243190), (332, 216820), (370, 194552), (415, 173456), (586, 122840), (592, 121595), (664, 108410), (740, 97276), (830, 86728), (1172, 61420), (1328, 54205), (1465, 49136), (1480, 48638), (1660, 43364), (2344, 30710), (2930, 24568), (2960, 24319), (3071, 23440), (3320, 21682), (4688, 15355), (5860, 12284), (6142, 11720), (6640, 10841)]