81473820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1373}}^1$

素因数の和:1451

約数の個数: 96

約数和(自身を含む): 243758592

約数和(自身を除く): 162284772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 43, 46, 60, 69, 86, 92, 115, 129, 138, 172, 215, 230, 258, 276, 345, 430, 460, 516, 645, 690, 860, 989, 1290, 1373, 1380, 1978, 2580, 2746, 2967, 3956, 4119, 4945, 5492, 5934, 6865, 8238, 9890, 11868, 13730, 14835, 16476, 19780, 20595, 27460, 29670, 31579, 41190, 59039, 59340, 63158, 82380, 94737, 118078, 126316, 157895, 177117, 189474, 236156, 295195, 315790, 354234, 378948, 473685, 590390, 631580, 708468, 885585, 947370, 1180780, 1357897, 1771170, 1894740, 2715794, 3542340, 4073691, 5431588, 6789485, 8147382, 13578970, 16294764, 20368455, 27157940, 40736910, 81473820]

約数ペア:

[(1, 81473820), (2, 40736910), (3, 27157940), (4, 20368455), (5, 16294764), (6, 13578970), (10, 8147382), (12, 6789485), (15, 5431588), (20, 4073691), (23, 3542340), (30, 2715794), (43, 1894740), (46, 1771170), (60, 1357897), (69, 1180780), (86, 947370), (92, 885585), (115, 708468), (129, 631580), (138, 590390), (172, 473685), (215, 378948), (230, 354234), (258, 315790), (276, 295195), (345, 236156), (430, 189474), (460, 177117), (516, 157895), (645, 126316), (690, 118078), (860, 94737), (989, 82380), (1290, 63158), (1373, 59340), (1380, 59039), (1978, 41190), (2580, 31579), (2746, 29670), (2967, 27460), (3956, 20595), (4119, 19780), (4945, 16476), (5492, 14835), (5934, 13730), (6865, 11868), (8238, 9890)]