28939560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1427}}^1$

素因数の和:1467

約数の個数: 96

約数和(自身を含む): 94076640

約数和(自身を除く): 65137080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 169, 195, 260, 312, 338, 390, 507, 520, 676, 780, 845, 1014, 1352, 1427, 1560, 1690, 2028, 2535, 2854, 3380, 4056, 4281, 5070, 5708, 6760, 7135, 8562, 10140, 11416, 14270, 17124, 18551, 20280, 21405, 28540, 34248, 37102, 42810, 55653, 57080, 74204, 85620, 92755, 111306, 148408, 171240, 185510, 222612, 241163, 278265, 371020, 445224, 482326, 556530, 723489, 742040, 964652, 1113060, 1205815, 1446978, 1929304, 2226120, 2411630, 2893956, 3617445, 4823260, 5787912, 7234890, 9646520, 14469780, 28939560]

約数ペア:

[(1, 28939560), (2, 14469780), (3, 9646520), (4, 7234890), (5, 5787912), (6, 4823260), (8, 3617445), (10, 2893956), (12, 2411630), (13, 2226120), (15, 1929304), (20, 1446978), (24, 1205815), (26, 1113060), (30, 964652), (39, 742040), (40, 723489), (52, 556530), (60, 482326), (65, 445224), (78, 371020), (104, 278265), (120, 241163), (130, 222612), (156, 185510), (169, 171240), (195, 148408), (260, 111306), (312, 92755), (338, 85620), (390, 74204), (507, 57080), (520, 55653), (676, 42810), (780, 37102), (845, 34248), (1014, 28540), (1352, 21405), (1427, 20280), (1560, 18551), (1690, 17124), (2028, 14270), (2535, 11416), (2854, 10140), (3380, 8562), (4056, 7135), (4281, 6760), (5070, 5708)]