71307760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1091}}^1$

素因数の和:1166

約数の個数: 80

約数和(自身を含む): 178738560

約数和(自身を除く): 107430800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 43, 76, 80, 86, 95, 152, 172, 190, 215, 304, 344, 380, 430, 688, 760, 817, 860, 1091, 1520, 1634, 1720, 2182, 3268, 3440, 4085, 4364, 5455, 6536, 8170, 8728, 10910, 13072, 16340, 17456, 20729, 21820, 32680, 41458, 43640, 46913, 65360, 82916, 87280, 93826, 103645, 165832, 187652, 207290, 234565, 331664, 375304, 414580, 469130, 750608, 829160, 891347, 938260, 1658320, 1782694, 1876520, 3565388, 3753040, 4456735, 7130776, 8913470, 14261552, 17826940, 35653880, 71307760]

約数ペア:

[(1, 71307760), (2, 35653880), (4, 17826940), (5, 14261552), (8, 8913470), (10, 7130776), (16, 4456735), (19, 3753040), (20, 3565388), (38, 1876520), (40, 1782694), (43, 1658320), (76, 938260), (80, 891347), (86, 829160), (95, 750608), (152, 469130), (172, 414580), (190, 375304), (215, 331664), (304, 234565), (344, 207290), (380, 187652), (430, 165832), (688, 103645), (760, 93826), (817, 87280), (860, 82916), (1091, 65360), (1520, 46913), (1634, 43640), (1720, 41458), (2182, 32680), (3268, 21820), (3440, 20729), (4085, 17456), (4364, 16340), (5455, 13072), (6536, 10910), (8170, 8728)]