128441520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:308

約数の個数: 240

約数和(自身を含む): 467157600

約数和(自身を除く): 338716080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 41, 45, 48, 57, 60, 72, 76, 80, 82, 90, 95, 114, 120, 123, 144, 152, 164, 171, 180, 190, 205, 228, 229, 240, 246, 285, 304, 328, 342, 360, 369, 380, 410, 456, 458, 492, 570, 615, 656, 684, 687, 720, 738, 760, 779, 820, 855, 912, 916, 984, 1140, 1145, 1230, 1368, 1374, 1476, 1520, 1558, 1640, 1710, 1832, 1845, 1968, 2061, 2280, 2290, 2337, 2460, 2736, 2748, 2952, 3116, 3280, 3420, 3435, 3664, 3690, 3895, 4122, 4351, 4560, 4580, 4674, 4920, 5496, 5904, 6232, 6840, 6870, 7011, 7380, 7790, 8244, 8702, 9160, 9348, 9389, 9840, 10305, 10992, 11685, 12464, 13053, 13680, 13740, 14022, 14760, 15580, 16488, 17404, 18320, 18696, 18778, 20610, 21755, 23370, 26106, 27480, 28044, 28167, 29520, 31160, 32976, 34808, 35055, 37392, 37556, 39159, 41220, 43510, 46740, 46945, 52212, 54960, 56088, 56334, 62320, 65265, 69616, 70110, 75112, 78318, 82440, 84501, 87020, 93480, 93890, 104424, 112176, 112668, 130530, 140220, 140835, 150224, 156636, 164880, 169002, 174040, 178391, 186960, 187780, 195795, 208848, 225336, 261060, 280440, 281670, 313272, 338004, 348080, 356782, 375560, 391590, 422505, 450672, 522120, 535173, 560880, 563340, 626544, 676008, 713564, 751120, 783180, 845010, 891955, 1044240, 1070346, 1126680, 1352016, 1427128, 1566360, 1605519, 1690020, 1783910, 2140692, 2253360, 2675865, 2854256, 3132720, 3211038, 3380040, 3567820, 4281384, 5351730, 6422076, 6760080, 7135640, 8027595, 8562768, 10703460, 12844152, 14271280, 16055190, 21406920, 25688304, 32110380, 42813840, 64220760, 128441520]

約数ペア:

[(1, 128441520), (2, 64220760), (3, 42813840), (4, 32110380), (5, 25688304), (6, 21406920), (8, 16055190), (9, 14271280), (10, 12844152), (12, 10703460), (15, 8562768), (16, 8027595), (18, 7135640), (19, 6760080), (20, 6422076), (24, 5351730), (30, 4281384), (36, 3567820), (38, 3380040), (40, 3211038), (41, 3132720), (45, 2854256), (48, 2675865), (57, 2253360), (60, 2140692), (72, 1783910), (76, 1690020), (80, 1605519), (82, 1566360), (90, 1427128), (95, 1352016), (114, 1126680), (120, 1070346), (123, 1044240), (144, 891955), (152, 845010), (164, 783180), (171, 751120), (180, 713564), (190, 676008), (205, 626544), (228, 563340), (229, 560880), (240, 535173), (246, 522120), (285, 450672), (304, 422505), (328, 391590), (342, 375560), (360, 356782), (369, 348080), (380, 338004), (410, 313272), (456, 281670), (458, 280440), (492, 261060), (570, 225336), (615, 208848), (656, 195795), (684, 187780), (687, 186960), (720, 178391), (738, 174040), (760, 169002), (779, 164880), (820, 156636), (855, 150224), (912, 140835), (916, 140220), (984, 130530), (1140, 112668), (1145, 112176), (1230, 104424), (1368, 93890), (1374, 93480), (1476, 87020), (1520, 84501), (1558, 82440), (1640, 78318), (1710, 75112), (1832, 70110), (1845, 69616), (1968, 65265), (2061, 62320), (2280, 56334), (2290, 56088), (2337, 54960), (2460, 52212), (2736, 46945), (2748, 46740), (2952, 43510), (3116, 41220), (3280, 39159), (3420, 37556), (3435, 37392), (3664, 35055), (3690, 34808), (3895, 32976), (4122, 31160), (4351, 29520), (4560, 28167), (4580, 28044), (4674, 27480), (4920, 26106), (5496, 23370), (5904, 21755), (6232, 20610), (6840, 18778), (6870, 18696), (7011, 18320), (7380, 17404), (7790, 16488), (8244, 15580), (8702, 14760), (9160, 14022), (9348, 13740), (9389, 13680), (9840, 13053), (10305, 12464), (10992, 11685)]