15700880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:544

約数の個数: 80

約数和(自身を含む): 40664064

約数和(自身を除く): 24963184

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 487, 496, 520, 620, 806, 974, 1040, 1240, 1612, 1948, 2015, 2435, 2480, 3224, 3896, 4030, 4870, 6331, 6448, 7792, 8060, 9740, 12662, 15097, 16120, 19480, 25324, 30194, 31655, 32240, 38960, 50648, 60388, 63310, 75485, 101296, 120776, 126620, 150970, 196261, 241552, 253240, 301940, 392522, 506480, 603880, 785044, 981305, 1207760, 1570088, 1962610, 3140176, 3925220, 7850440, 15700880]

約数ペア:

[(1, 15700880), (2, 7850440), (4, 3925220), (5, 3140176), (8, 1962610), (10, 1570088), (13, 1207760), (16, 981305), (20, 785044), (26, 603880), (31, 506480), (40, 392522), (52, 301940), (62, 253240), (65, 241552), (80, 196261), (104, 150970), (124, 126620), (130, 120776), (155, 101296), (208, 75485), (248, 63310), (260, 60388), (310, 50648), (403, 38960), (487, 32240), (496, 31655), (520, 30194), (620, 25324), (806, 19480), (974, 16120), (1040, 15097), (1240, 12662), (1612, 9740), (1948, 8060), (2015, 7792), (2435, 6448), (2480, 6331), (3224, 4870), (3896, 4030)]