68286770120

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{117679}}^1$

素因数の和:117942

約数の個数: 64

約数和(自身を含む): 156326112000

約数和(自身を除く): 88039341880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 163, 178, 326, 356, 445, 652, 712, 815, 890, 1304, 1630, 1780, 3260, 3560, 6520, 14507, 29014, 58028, 72535, 116056, 117679, 145070, 235358, 290140, 470716, 580280, 588395, 941432, 1176790, 2353580, 4707160, 10473431, 19181677, 20946862, 38363354, 41893724, 52367155, 76726708, 83787448, 95908385, 104734310, 153453416, 191816770, 209468620, 383633540, 418937240, 767267080, 1707169253, 3414338506, 6828677012, 8535846265, 13657354024, 17071692530, 34143385060, 68286770120]

約数ペア:

[(1, 68286770120), (2, 34143385060), (4, 17071692530), (5, 13657354024), (8, 8535846265), (10, 6828677012), (20, 3414338506), (40, 1707169253), (89, 767267080), (163, 418937240), (178, 383633540), (326, 209468620), (356, 191816770), (445, 153453416), (652, 104734310), (712, 95908385), (815, 83787448), (890, 76726708), (1304, 52367155), (1630, 41893724), (1780, 38363354), (3260, 20946862), (3560, 19181677), (6520, 10473431), (14507, 4707160), (29014, 2353580), (58028, 1176790), (72535, 941432), (116056, 588395), (117679, 580280), (145070, 470716), (235358, 290140)]