28371720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1399}}^1$

素因数の和:1439

約数の個数: 96

約数和(自身を含む): 92232000

約数和(自身を除く): 63860280

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, 1399, 1560, 1690, 2028, 2535, 2798, 3380, 4056, 4197, 5070, 5596, 6760, 6995, 8394, 10140, 11192, 13990, 16788, 18187, 20280, 20985, 27980, 33576, 36374, 41970, 54561, 55960, 72748, 83940, 90935, 109122, 145496, 167880, 181870, 218244, 236431, 272805, 363740, 436488, 472862, 545610, 709293, 727480, 945724, 1091220, 1182155, 1418586, 1891448, 2182440, 2364310, 2837172, 3546465, 4728620, 5674344, 7092930, 9457240, 14185860, 28371720]

約数ペア:

[(1, 28371720), (2, 14185860), (3, 9457240), (4, 7092930), (5, 5674344), (6, 4728620), (8, 3546465), (10, 2837172), (12, 2364310), (13, 2182440), (15, 1891448), (20, 1418586), (24, 1182155), (26, 1091220), (30, 945724), (39, 727480), (40, 709293), (52, 545610), (60, 472862), (65, 436488), (78, 363740), (104, 272805), (120, 236431), (130, 218244), (156, 181870), (169, 167880), (195, 145496), (260, 109122), (312, 90935), (338, 83940), (390, 72748), (507, 55960), (520, 54561), (676, 41970), (780, 36374), (845, 33576), (1014, 27980), (1352, 20985), (1399, 20280), (1560, 18187), (1690, 16788), (2028, 13990), (2535, 11192), (2798, 10140), (3380, 8394), (4056, 6995), (4197, 6760), (5070, 5596)]