78516760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4597}}^1$

素因数の和:4676

約数の個数: 64

約数和(自身を含む): 205254720

約数和(自身を除く): 126737960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4270, 4597, 8540, 9194, 17080, 18388, 22985, 32179, 36776, 45970, 64358, 91940, 128716, 160895, 183880, 257432, 280417, 321790, 560834, 643580, 1121668, 1287160, 1402085, 1962919, 2243336, 2804170, 3925838, 5608340, 7851676, 9814595, 11216680, 15703352, 19629190, 39258380, 78516760]

約数ペア:

[(1, 78516760), (2, 39258380), (4, 19629190), (5, 15703352), (7, 11216680), (8, 9814595), (10, 7851676), (14, 5608340), (20, 3925838), (28, 2804170), (35, 2243336), (40, 1962919), (56, 1402085), (61, 1287160), (70, 1121668), (122, 643580), (140, 560834), (244, 321790), (280, 280417), (305, 257432), (427, 183880), (488, 160895), (610, 128716), (854, 91940), (1220, 64358), (1708, 45970), (2135, 36776), (2440, 32179), (3416, 22985), (4270, 18388), (4597, 17080), (8540, 9194)]