28200120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18077}}^1$

素因数の和:18104

約数の個数: 64

約数和(自身を含む): 91113120

約数和(自身を除く): 62913000

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, 195, 260, 312, 390, 520, 780, 1560, 18077, 36154, 54231, 72308, 90385, 108462, 144616, 180770, 216924, 235001, 271155, 361540, 433848, 470002, 542310, 705003, 723080, 940004, 1084620, 1175005, 1410006, 1880008, 2169240, 2350010, 2820012, 3525015, 4700020, 5640024, 7050030, 9400040, 14100060, 28200120]

約数ペア:

[(1, 28200120), (2, 14100060), (3, 9400040), (4, 7050030), (5, 5640024), (6, 4700020), (8, 3525015), (10, 2820012), (12, 2350010), (13, 2169240), (15, 1880008), (20, 1410006), (24, 1175005), (26, 1084620), (30, 940004), (39, 723080), (40, 705003), (52, 542310), (60, 470002), (65, 433848), (78, 361540), (104, 271155), (120, 235001), (130, 216924), (156, 180770), (195, 144616), (260, 108462), (312, 90385), (390, 72308), (520, 54231), (780, 36154), (1560, 18077)]