128439080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{223}}^1$

素因数の和:280

約数の個数: 192

約数和(自身を含む): 386104320

約数和(自身を除く): 257665240

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 34, 35, 40, 44, 55, 56, 68, 70, 77, 85, 88, 110, 119, 121, 136, 140, 154, 170, 187, 220, 223, 238, 242, 280, 308, 340, 374, 385, 440, 446, 476, 484, 595, 605, 616, 680, 748, 770, 847, 892, 935, 952, 968, 1115, 1190, 1210, 1309, 1496, 1540, 1561, 1694, 1784, 1870, 2057, 2230, 2380, 2420, 2453, 2618, 3080, 3122, 3388, 3740, 3791, 4114, 4235, 4460, 4760, 4840, 4906, 5236, 6244, 6545, 6776, 7480, 7582, 7805, 8228, 8470, 8920, 9812, 10285, 10472, 12265, 12488, 13090, 14399, 15164, 15610, 16456, 16940, 17171, 18955, 19624, 20570, 24530, 26180, 26537, 26983, 28798, 30328, 31220, 33880, 34342, 37910, 41140, 41701, 49060, 52360, 53074, 53966, 57596, 62440, 68684, 71995, 75820, 82280, 83402, 85855, 98120, 106148, 107932, 115192, 132685, 134915, 137368, 143990, 151640, 166804, 171710, 188881, 208505, 212296, 215864, 265370, 269830, 287980, 291907, 333608, 343420, 377762, 417010, 458711, 530740, 539660, 575960, 583814, 686840, 755524, 834020, 917422, 944405, 1061480, 1079320, 1167628, 1459535, 1511048, 1668040, 1834844, 1888810, 2293555, 2335256, 2919070, 3210977, 3669688, 3777620, 4587110, 5838140, 6421954, 7555240, 9174220, 11676280, 12843908, 16054885, 18348440, 25687816, 32109770, 64219540, 128439080]

約数ペア:

[(1, 128439080), (2, 64219540), (4, 32109770), (5, 25687816), (7, 18348440), (8, 16054885), (10, 12843908), (11, 11676280), (14, 9174220), (17, 7555240), (20, 6421954), (22, 5838140), (28, 4587110), (34, 3777620), (35, 3669688), (40, 3210977), (44, 2919070), (55, 2335256), (56, 2293555), (68, 1888810), (70, 1834844), (77, 1668040), (85, 1511048), (88, 1459535), (110, 1167628), (119, 1079320), (121, 1061480), (136, 944405), (140, 917422), (154, 834020), (170, 755524), (187, 686840), (220, 583814), (223, 575960), (238, 539660), (242, 530740), (280, 458711), (308, 417010), (340, 377762), (374, 343420), (385, 333608), (440, 291907), (446, 287980), (476, 269830), (484, 265370), (595, 215864), (605, 212296), (616, 208505), (680, 188881), (748, 171710), (770, 166804), (847, 151640), (892, 143990), (935, 137368), (952, 134915), (968, 132685), (1115, 115192), (1190, 107932), (1210, 106148), (1309, 98120), (1496, 85855), (1540, 83402), (1561, 82280), (1694, 75820), (1784, 71995), (1870, 68684), (2057, 62440), (2230, 57596), (2380, 53966), (2420, 53074), (2453, 52360), (2618, 49060), (3080, 41701), (3122, 41140), (3388, 37910), (3740, 34342), (3791, 33880), (4114, 31220), (4235, 30328), (4460, 28798), (4760, 26983), (4840, 26537), (4906, 26180), (5236, 24530), (6244, 20570), (6545, 19624), (6776, 18955), (7480, 17171), (7582, 16940), (7805, 16456), (8228, 15610), (8470, 15164), (8920, 14399), (9812, 13090), (10285, 12488), (10472, 12265)]