1641269120

素因数分解:

$2^7\times 5^1\times {\mathrm{569}}^1\times {\mathrm{4507}}^1$

素因数の和:5095

約数の個数: 64

約数和(自身を含む): 3931426800

約数和(自身を除く): 2290157680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 569, 640, 1138, 2276, 2845, 4507, 4552, 5690, 9014, 9104, 11380, 18028, 18208, 22535, 22760, 36056, 36416, 45070, 45520, 72112, 72832, 90140, 91040, 144224, 180280, 182080, 288448, 360560, 364160, 576896, 721120, 1442240, 2564483, 2884480, 5128966, 10257932, 12822415, 20515864, 25644830, 41031728, 51289660, 82063456, 102579320, 164126912, 205158640, 328253824, 410317280, 820634560, 1641269120]

約数ペア:

[(1, 1641269120), (2, 820634560), (4, 410317280), (5, 328253824), (8, 205158640), (10, 164126912), (16, 102579320), (20, 82063456), (32, 51289660), (40, 41031728), (64, 25644830), (80, 20515864), (128, 12822415), (160, 10257932), (320, 5128966), (569, 2884480), (640, 2564483), (1138, 1442240), (2276, 721120), (2845, 576896), (4507, 364160), (4552, 360560), (5690, 288448), (9014, 182080), (9104, 180280), (11380, 144224), (18028, 91040), (18208, 90140), (22535, 72832), (22760, 72112), (36056, 45520), (36416, 45070)]