68532040

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 159408000

約数和(自身を除く): 90875960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 71, 118, 142, 236, 284, 295, 355, 409, 472, 568, 590, 710, 818, 1180, 1420, 1636, 2045, 2360, 2840, 3272, 4090, 4189, 8180, 8378, 16360, 16756, 20945, 24131, 29039, 33512, 41890, 48262, 58078, 83780, 96524, 116156, 120655, 145195, 167560, 193048, 232312, 241310, 290390, 482620, 580780, 965240, 1161560, 1713301, 3426602, 6853204, 8566505, 13706408, 17133010, 34266020, 68532040]

約数ペア:

[(1, 68532040), (2, 34266020), (4, 17133010), (5, 13706408), (8, 8566505), (10, 6853204), (20, 3426602), (40, 1713301), (59, 1161560), (71, 965240), (118, 580780), (142, 482620), (236, 290390), (284, 241310), (295, 232312), (355, 193048), (409, 167560), (472, 145195), (568, 120655), (590, 116156), (710, 96524), (818, 83780), (1180, 58078), (1420, 48262), (1636, 41890), (2045, 33512), (2360, 29039), (2840, 24131), (3272, 20945), (4090, 16756), (4189, 16360), (8180, 8378)]