28942920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{8933}}^1$

素因数の和:8956

約数の個数: 80

約数和(自身を含む): 97291260

約数和(自身を除く): 68348340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 8933, 17866, 26799, 35732, 44665, 53598, 71464, 80397, 89330, 107196, 133995, 160794, 178660, 214392, 241191, 267990, 321588, 357320, 401985, 482382, 535980, 643176, 723573, 803970, 964764, 1071960, 1205955, 1447146, 1607940, 1929528, 2411910, 2894292, 3215880, 3617865, 4823820, 5788584, 7235730, 9647640, 14471460, 28942920]

約数ペア:

[(1, 28942920), (2, 14471460), (3, 9647640), (4, 7235730), (5, 5788584), (6, 4823820), (8, 3617865), (9, 3215880), (10, 2894292), (12, 2411910), (15, 1929528), (18, 1607940), (20, 1447146), (24, 1205955), (27, 1071960), (30, 964764), (36, 803970), (40, 723573), (45, 643176), (54, 535980), (60, 482382), (72, 401985), (81, 357320), (90, 321588), (108, 267990), (120, 241191), (135, 214392), (162, 178660), (180, 160794), (216, 133995), (270, 107196), (324, 89330), (360, 80397), (405, 71464), (540, 53598), (648, 44665), (810, 35732), (1080, 26799), (1620, 17866), (3240, 8933)]