87028920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21977}}^1$

素因数の和:22005

約数の個数: 96

約数和(自身を含む): 308571120

約数和(自身を除く): 221542200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 21977, 43954, 65931, 87908, 109885, 131862, 175816, 197793, 219770, 241747, 263724, 329655, 395586, 439540, 483494, 527448, 659310, 725241, 791172, 879080, 966988, 988965, 1208735, 1318620, 1450482, 1582344, 1933976, 1977930, 2175723, 2417470, 2637240, 2900964, 3626205, 3955860, 4351446, 4834940, 5801928, 7252410, 7911720, 8702892, 9669880, 10878615, 14504820, 17405784, 21757230, 29009640, 43514460, 87028920]

約数ペア:

[(1, 87028920), (2, 43514460), (3, 29009640), (4, 21757230), (5, 17405784), (6, 14504820), (8, 10878615), (9, 9669880), (10, 8702892), (11, 7911720), (12, 7252410), (15, 5801928), (18, 4834940), (20, 4351446), (22, 3955860), (24, 3626205), (30, 2900964), (33, 2637240), (36, 2417470), (40, 2175723), (44, 1977930), (45, 1933976), (55, 1582344), (60, 1450482), (66, 1318620), (72, 1208735), (88, 988965), (90, 966988), (99, 879080), (110, 791172), (120, 725241), (132, 659310), (165, 527448), (180, 483494), (198, 439540), (220, 395586), (264, 329655), (330, 263724), (360, 241747), (396, 219770), (440, 197793), (495, 175816), (660, 131862), (792, 109885), (990, 87908), (1320, 65931), (1980, 43954), (3960, 21977)]