83451280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:305

約数の個数: 120

約数和(自身を含む): 219970296

約数和(自身を除く): 136519016

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 121, 148, 176, 185, 220, 233, 242, 296, 370, 407, 440, 466, 484, 592, 605, 740, 814, 880, 932, 968, 1165, 1210, 1480, 1628, 1864, 1936, 2035, 2330, 2420, 2563, 2960, 3256, 3728, 4070, 4477, 4660, 4840, 5126, 6512, 8140, 8621, 8954, 9320, 9680, 10252, 12815, 16280, 17242, 17908, 18640, 20504, 22385, 25630, 28193, 32560, 34484, 35816, 41008, 43105, 44770, 51260, 56386, 68968, 71632, 86210, 89540, 94831, 102520, 112772, 137936, 140965, 172420, 179080, 189662, 205040, 225544, 281930, 344840, 358160, 379324, 451088, 474155, 563860, 689680, 758648, 948310, 1043141, 1127720, 1517296, 1896620, 2086282, 2255440, 3793240, 4172564, 5215705, 7586480, 8345128, 10431410, 16690256, 20862820, 41725640, 83451280]

約数ペア:

[(1, 83451280), (2, 41725640), (4, 20862820), (5, 16690256), (8, 10431410), (10, 8345128), (11, 7586480), (16, 5215705), (20, 4172564), (22, 3793240), (37, 2255440), (40, 2086282), (44, 1896620), (55, 1517296), (74, 1127720), (80, 1043141), (88, 948310), (110, 758648), (121, 689680), (148, 563860), (176, 474155), (185, 451088), (220, 379324), (233, 358160), (242, 344840), (296, 281930), (370, 225544), (407, 205040), (440, 189662), (466, 179080), (484, 172420), (592, 140965), (605, 137936), (740, 112772), (814, 102520), (880, 94831), (932, 89540), (968, 86210), (1165, 71632), (1210, 68968), (1480, 56386), (1628, 51260), (1864, 44770), (1936, 43105), (2035, 41008), (2330, 35816), (2420, 34484), (2563, 32560), (2960, 28193), (3256, 25630), (3728, 22385), (4070, 20504), (4477, 18640), (4660, 17908), (4840, 17242), (5126, 16280), (6512, 12815), (8140, 10252), (8621, 9680), (8954, 9320)]