71516120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1657}}^1$

素因数の和:1764

約数の個数: 64

約数和(自身を含む): 175482720

約数和(自身を除く): 103966600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 83, 104, 130, 166, 260, 332, 415, 520, 664, 830, 1079, 1657, 1660, 2158, 3314, 3320, 4316, 5395, 6628, 8285, 8632, 10790, 13256, 16570, 21541, 21580, 33140, 43082, 43160, 66280, 86164, 107705, 137531, 172328, 215410, 275062, 430820, 550124, 687655, 861640, 1100248, 1375310, 1787903, 2750620, 3575806, 5501240, 7151612, 8939515, 14303224, 17879030, 35758060, 71516120]

約数ペア:

[(1, 71516120), (2, 35758060), (4, 17879030), (5, 14303224), (8, 8939515), (10, 7151612), (13, 5501240), (20, 3575806), (26, 2750620), (40, 1787903), (52, 1375310), (65, 1100248), (83, 861640), (104, 687655), (130, 550124), (166, 430820), (260, 275062), (332, 215410), (415, 172328), (520, 137531), (664, 107705), (830, 86164), (1079, 66280), (1657, 43160), (1660, 43082), (2158, 33140), (3314, 21580), (3320, 21541), (4316, 16570), (5395, 13256), (6628, 10790), (8285, 8632)]