28385460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5087}}^1$

素因数の和:5133

約数の個数: 72

約数和(自身を含む): 88897536

約数和(自身を除く): 60512076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5087, 5580, 10174, 15261, 20348, 25435, 30522, 45783, 50870, 61044, 76305, 91566, 101740, 152610, 157697, 183132, 228915, 305220, 315394, 457830, 473091, 630788, 788485, 915660, 946182, 1419273, 1576970, 1892364, 2365455, 2838546, 3153940, 4730910, 5677092, 7096365, 9461820, 14192730, 28385460]

約数ペア:

[(1, 28385460), (2, 14192730), (3, 9461820), (4, 7096365), (5, 5677092), (6, 4730910), (9, 3153940), (10, 2838546), (12, 2365455), (15, 1892364), (18, 1576970), (20, 1419273), (30, 946182), (31, 915660), (36, 788485), (45, 630788), (60, 473091), (62, 457830), (90, 315394), (93, 305220), (124, 228915), (155, 183132), (180, 157697), (186, 152610), (279, 101740), (310, 91566), (372, 76305), (465, 61044), (558, 50870), (620, 45783), (930, 30522), (1116, 25435), (1395, 20348), (1860, 15261), (2790, 10174), (5087, 5580)]