198875520

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{677}}^1$

素因数の和:722

約数の個数: 256

約数和(自身を含む): 746884800

約数和(自身を除く): 548009280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 85, 90, 96, 102, 108, 120, 128, 135, 136, 144, 153, 160, 170, 180, 192, 204, 216, 240, 255, 270, 272, 288, 306, 320, 340, 360, 384, 408, 432, 459, 480, 510, 540, 544, 576, 612, 640, 677, 680, 720, 765, 816, 864, 918, 960, 1020, 1080, 1088, 1152, 1224, 1354, 1360, 1440, 1530, 1632, 1728, 1836, 1920, 2031, 2040, 2160, 2176, 2295, 2448, 2708, 2720, 2880, 3060, 3264, 3385, 3456, 3672, 4062, 4080, 4320, 4590, 4896, 5416, 5440, 5760, 6093, 6120, 6528, 6770, 7344, 8124, 8160, 8640, 9180, 9792, 10155, 10832, 10880, 11509, 12186, 12240, 13540, 14688, 16248, 16320, 17280, 18279, 18360, 19584, 20310, 21664, 23018, 24372, 24480, 27080, 29376, 30465, 32496, 32640, 34527, 36558, 36720, 40620, 43328, 46036, 48744, 48960, 54160, 57545, 58752, 60930, 64992, 69054, 73116, 73440, 81240, 86656, 91395, 92072, 97488, 97920, 103581, 108320, 115090, 121860, 129984, 138108, 146232, 146880, 162480, 172635, 182790, 184144, 194976, 207162, 216640, 230180, 243720, 259968, 276216, 292464, 293760, 310743, 324960, 345270, 365580, 368288, 389952, 414324, 433280, 460360, 487440, 517905, 552432, 584928, 621486, 649920, 690540, 731160, 736576, 779904, 828648, 920720, 974880, 1035810, 1104864, 1169856, 1242972, 1299840, 1381080, 1462320, 1473152, 1553715, 1657296, 1841440, 1949760, 2071620, 2209728, 2339712, 2485944, 2762160, 2924640, 3107430, 3314592, 3682880, 3899520, 4143240, 4419456, 4971888, 5524320, 5849280, 6214860, 6629184, 7365760, 8286480, 9943776, 11048640, 11698560, 12429720, 13258368, 16572960, 19887552, 22097280, 24859440, 33145920, 39775104, 49718880, 66291840, 99437760, 198875520]

約数ペア:

[(1, 198875520), (2, 99437760), (3, 66291840), (4, 49718880), (5, 39775104), (6, 33145920), (8, 24859440), (9, 22097280), (10, 19887552), (12, 16572960), (15, 13258368), (16, 12429720), (17, 11698560), (18, 11048640), (20, 9943776), (24, 8286480), (27, 7365760), (30, 6629184), (32, 6214860), (34, 5849280), (36, 5524320), (40, 4971888), (45, 4419456), (48, 4143240), (51, 3899520), (54, 3682880), (60, 3314592), (64, 3107430), (68, 2924640), (72, 2762160), (80, 2485944), (85, 2339712), (90, 2209728), (96, 2071620), (102, 1949760), (108, 1841440), (120, 1657296), (128, 1553715), (135, 1473152), (136, 1462320), (144, 1381080), (153, 1299840), (160, 1242972), (170, 1169856), (180, 1104864), (192, 1035810), (204, 974880), (216, 920720), (240, 828648), (255, 779904), (270, 736576), (272, 731160), (288, 690540), (306, 649920), (320, 621486), (340, 584928), (360, 552432), (384, 517905), (408, 487440), (432, 460360), (459, 433280), (480, 414324), (510, 389952), (540, 368288), (544, 365580), (576, 345270), (612, 324960), (640, 310743), (677, 293760), (680, 292464), (720, 276216), (765, 259968), (816, 243720), (864, 230180), (918, 216640), (960, 207162), (1020, 194976), (1080, 184144), (1088, 182790), (1152, 172635), (1224, 162480), (1354, 146880), (1360, 146232), (1440, 138108), (1530, 129984), (1632, 121860), (1728, 115090), (1836, 108320), (1920, 103581), (2031, 97920), (2040, 97488), (2160, 92072), (2176, 91395), (2295, 86656), (2448, 81240), (2708, 73440), (2720, 73116), (2880, 69054), (3060, 64992), (3264, 60930), (3385, 58752), (3456, 57545), (3672, 54160), (4062, 48960), (4080, 48744), (4320, 46036), (4590, 43328), (4896, 40620), (5416, 36720), (5440, 36558), (5760, 34527), (6093, 32640), (6120, 32496), (6528, 30465), (6770, 29376), (7344, 27080), (8124, 24480), (8160, 24372), (8640, 23018), (9180, 21664), (9792, 20310), (10155, 19584), (10832, 18360), (10880, 18279), (11509, 17280), (12186, 16320), (12240, 16248), (13540, 14688)]