191217840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{72431}}^1$

素因数の和:72458

約数の個数: 80

約数和(自身を含む): 646672896

約数和(自身を除く): 455455056

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 72431, 144862, 217293, 289724, 362155, 434586, 579448, 724310, 796741, 869172, 1086465, 1158896, 1448620, 1593482, 1738344, 2172930, 2390223, 2897240, 3186964, 3476688, 3983705, 4345860, 4780446, 5794480, 6373928, 7967410, 8691720, 9560892, 11951115, 12747856, 15934820, 17383440, 19121784, 23902230, 31869640, 38243568, 47804460, 63739280, 95608920, 191217840]

約数ペア:

[(1, 191217840), (2, 95608920), (3, 63739280), (4, 47804460), (5, 38243568), (6, 31869640), (8, 23902230), (10, 19121784), (11, 17383440), (12, 15934820), (15, 12747856), (16, 11951115), (20, 9560892), (22, 8691720), (24, 7967410), (30, 6373928), (33, 5794480), (40, 4780446), (44, 4345860), (48, 3983705), (55, 3476688), (60, 3186964), (66, 2897240), (80, 2390223), (88, 2172930), (110, 1738344), (120, 1593482), (132, 1448620), (165, 1158896), (176, 1086465), (220, 869172), (240, 796741), (264, 724310), (330, 579448), (440, 434586), (528, 362155), (660, 289724), (880, 217293), (1320, 144862), (2640, 72431)]