72020080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{367}}^1$

素因数の和:614

約数の個数: 80

約数和(自身を含む): 183988224

約数和(自身を除く): 111968144

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 223, 367, 440, 446, 734, 880, 892, 1115, 1468, 1784, 1835, 2230, 2453, 2936, 3568, 3670, 4037, 4460, 4906, 5872, 7340, 8074, 8920, 9812, 12265, 14680, 16148, 17840, 19624, 20185, 24530, 29360, 32296, 39248, 40370, 49060, 64592, 80740, 81841, 98120, 161480, 163682, 196240, 322960, 327364, 409205, 654728, 818410, 900251, 1309456, 1636820, 1800502, 3273640, 3601004, 4501255, 6547280, 7202008, 9002510, 14404016, 18005020, 36010040, 72020080]

約数ペア:

[(1, 72020080), (2, 36010040), (4, 18005020), (5, 14404016), (8, 9002510), (10, 7202008), (11, 6547280), (16, 4501255), (20, 3601004), (22, 3273640), (40, 1800502), (44, 1636820), (55, 1309456), (80, 900251), (88, 818410), (110, 654728), (176, 409205), (220, 327364), (223, 322960), (367, 196240), (440, 163682), (446, 161480), (734, 98120), (880, 81841), (892, 80740), (1115, 64592), (1468, 49060), (1784, 40370), (1835, 39248), (2230, 32296), (2453, 29360), (2936, 24530), (3568, 20185), (3670, 19624), (4037, 17840), (4460, 16148), (4906, 14680), (5872, 12265), (7340, 9812), (8074, 8920)]