28534140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{997}}^1$

素因数の和:1068

約数の個数: 96

約数和(自身を含む): 90538560

約数和(自身を除く): 62004420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 53, 54, 60, 90, 106, 108, 135, 159, 180, 212, 265, 270, 318, 477, 530, 540, 636, 795, 954, 997, 1060, 1431, 1590, 1908, 1994, 2385, 2862, 2991, 3180, 3988, 4770, 4985, 5724, 5982, 7155, 8973, 9540, 9970, 11964, 14310, 14955, 17946, 19940, 26919, 28620, 29910, 35892, 44865, 52841, 53838, 59820, 89730, 105682, 107676, 134595, 158523, 179460, 211364, 264205, 269190, 317046, 475569, 528410, 538380, 634092, 792615, 951138, 1056820, 1426707, 1585230, 1902276, 2377845, 2853414, 3170460, 4755690, 5706828, 7133535, 9511380, 14267070, 28534140]

約数ペア:

[(1, 28534140), (2, 14267070), (3, 9511380), (4, 7133535), (5, 5706828), (6, 4755690), (9, 3170460), (10, 2853414), (12, 2377845), (15, 1902276), (18, 1585230), (20, 1426707), (27, 1056820), (30, 951138), (36, 792615), (45, 634092), (53, 538380), (54, 528410), (60, 475569), (90, 317046), (106, 269190), (108, 264205), (135, 211364), (159, 179460), (180, 158523), (212, 134595), (265, 107676), (270, 105682), (318, 89730), (477, 59820), (530, 53838), (540, 52841), (636, 44865), (795, 35892), (954, 29910), (997, 28620), (1060, 26919), (1431, 19940), (1590, 17946), (1908, 14955), (1994, 14310), (2385, 11964), (2862, 9970), (2991, 9540), (3180, 8973), (3988, 7155), (4770, 5982), (4985, 5724)]