135193720

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{947}}^1$

素因数の和:1084

約数の個数: 64

約数和(自身を含む): 315342720

約数和(自身を除く): 180149000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 83, 86, 166, 172, 215, 332, 344, 415, 430, 664, 830, 860, 947, 1660, 1720, 1894, 3320, 3569, 3788, 4735, 7138, 7576, 9470, 14276, 17845, 18940, 28552, 35690, 37880, 40721, 71380, 78601, 81442, 142760, 157202, 162884, 203605, 314404, 325768, 393005, 407210, 628808, 786010, 814420, 1572020, 1628840, 3144040, 3379843, 6759686, 13519372, 16899215, 27038744, 33798430, 67596860, 135193720]

約数ペア:

[(1, 135193720), (2, 67596860), (4, 33798430), (5, 27038744), (8, 16899215), (10, 13519372), (20, 6759686), (40, 3379843), (43, 3144040), (83, 1628840), (86, 1572020), (166, 814420), (172, 786010), (215, 628808), (332, 407210), (344, 393005), (415, 325768), (430, 314404), (664, 203605), (830, 162884), (860, 157202), (947, 142760), (1660, 81442), (1720, 78601), (1894, 71380), (3320, 40721), (3569, 37880), (3788, 35690), (4735, 28552), (7138, 18940), (7576, 17845), (9470, 14276)]