2559870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:534

約数の個数: 64

約数和(自身を含む): 7200000

約数和(自身を除く): 4640130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 342, 499, 513, 570, 855, 998, 1026, 1497, 1710, 2495, 2565, 2994, 4491, 4990, 5130, 7485, 8982, 9481, 13473, 14970, 18962, 22455, 26946, 28443, 44910, 47405, 56886, 67365, 85329, 94810, 134730, 142215, 170658, 255987, 284430, 426645, 511974, 853290, 1279935, 2559870]

約数ペア:

[(1, 2559870), (2, 1279935), (3, 853290), (5, 511974), (6, 426645), (9, 284430), (10, 255987), (15, 170658), (18, 142215), (19, 134730), (27, 94810), (30, 85329), (38, 67365), (45, 56886), (54, 47405), (57, 44910), (90, 28443), (95, 26946), (114, 22455), (135, 18962), (171, 14970), (190, 13473), (270, 9481), (285, 8982), (342, 7485), (499, 5130), (513, 4990), (570, 4491), (855, 2994), (998, 2565), (1026, 2495), (1497, 1710)]