28563660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1783}}^1$

素因数の和:1887

約数の個数: 72

約数和(自身を含む): 87665760

約数和(自身を除く): 59102100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 1783, 2670, 3204, 3566, 4005, 5340, 5349, 7132, 8010, 8915, 10698, 16020, 16047, 17830, 21396, 26745, 32094, 35660, 53490, 64188, 80235, 106980, 158687, 160470, 317374, 320940, 476061, 634748, 793435, 952122, 1428183, 1586870, 1904244, 2380305, 2856366, 3173740, 4760610, 5712732, 7140915, 9521220, 14281830, 28563660]

約数ペア:

[(1, 28563660), (2, 14281830), (3, 9521220), (4, 7140915), (5, 5712732), (6, 4760610), (9, 3173740), (10, 2856366), (12, 2380305), (15, 1904244), (18, 1586870), (20, 1428183), (30, 952122), (36, 793435), (45, 634748), (60, 476061), (89, 320940), (90, 317374), (178, 160470), (180, 158687), (267, 106980), (356, 80235), (445, 64188), (534, 53490), (801, 35660), (890, 32094), (1068, 26745), (1335, 21396), (1602, 17830), (1780, 16047), (1783, 16020), (2670, 10698), (3204, 8915), (3566, 8010), (4005, 7132), (5340, 5349)]