66456440

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{541}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 155705760

約数和(自身を除く): 89249320

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 83, 148, 166, 185, 296, 332, 370, 415, 541, 664, 740, 830, 1082, 1480, 1660, 2164, 2705, 3071, 3320, 4328, 5410, 6142, 10820, 12284, 15355, 20017, 21640, 24568, 30710, 40034, 44903, 61420, 80068, 89806, 100085, 122840, 160136, 179612, 200170, 224515, 359224, 400340, 449030, 800680, 898060, 1661411, 1796120, 3322822, 6645644, 8307055, 13291288, 16614110, 33228220, 66456440]

約数ペア:

[(1, 66456440), (2, 33228220), (4, 16614110), (5, 13291288), (8, 8307055), (10, 6645644), (20, 3322822), (37, 1796120), (40, 1661411), (74, 898060), (83, 800680), (148, 449030), (166, 400340), (185, 359224), (296, 224515), (332, 200170), (370, 179612), (415, 160136), (541, 122840), (664, 100085), (740, 89806), (830, 80068), (1082, 61420), (1480, 44903), (1660, 40034), (2164, 30710), (2705, 24568), (3071, 21640), (3320, 20017), (4328, 15355), (5410, 12284), (6142, 10820)]