20868416640

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71039}}^1$

素因数の和:71084

約数の個数: 256

約数和(自身を含む): 78257664000

約数和(自身を除く): 57389247360

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, 680, 720, 765, 816, 864, 918, 960, 1020, 1080, 1088, 1152, 1224, 1360, 1440, 1530, 1632, 1728, 1836, 1920, 2040, 2160, 2176, 2295, 2448, 2720, 2880, 3060, 3264, 3456, 3672, 4080, 4320, 4590, 4896, 5440, 5760, 6120, 6528, 7344, 8160, 8640, 9180, 9792, 10880, 12240, 14688, 16320, 17280, 18360, 19584, 24480, 29376, 32640, 36720, 48960, 58752, 71039, 73440, 97920, 142078, 146880, 213117, 284156, 293760, 355195, 426234, 568312, 639351, 710390, 852468, 1065585, 1136624, 1207663, 1278702, 1420780, 1704936, 1918053, 2131170, 2273248, 2415326, 2557404, 2841560, 3196755, 3409872, 3622989, 3836106, 4262340, 4546496, 4830652, 5114808, 5683120, 6038315, 6393510, 6819744, 7245978, 7672212, 8524680, 9092992, 9590265, 9661304, 10229616, 10868967, 11366240, 12076630, 12787020, 13639488, 14491956, 15344424, 17049360, 18114945, 19180530, 19322608, 20459232, 21737934, 22732480, 24153260, 25574040, 27278976, 28983912, 30688848, 32606901, 34098720, 36229890, 38361060, 38645216, 40918464, 43475868, 45464960, 48306520, 51148080, 54344835, 57967824, 61377696, 65213802, 68197440, 72459780, 76722120, 77290432, 81836928, 86951736, 96613040, 102296160, 108689670, 115935648, 122755392, 130427604, 136394880, 144919560, 153444240, 154580864, 163034505, 173903472, 193226080, 204592320, 217379340, 231871296, 245510784, 260855208, 289839120, 306888480, 326069010, 347806944, 386452160, 409184640, 434758680, 463742592, 521710416, 579678240, 613776960, 652138020, 695613888, 772904320, 869517360, 1043420832, 1159356480, 1227553920, 1304276040, 1391227776, 1739034720, 2086841664, 2318712960, 2608552080, 3478069440, 4173683328, 5217104160, 6956138880, 10434208320, 20868416640]

約数ペア:

[(1, 20868416640), (2, 10434208320), (3, 6956138880), (4, 5217104160), (5, 4173683328), (6, 3478069440), (8, 2608552080), (9, 2318712960), (10, 2086841664), (12, 1739034720), (15, 1391227776), (16, 1304276040), (17, 1227553920), (18, 1159356480), (20, 1043420832), (24, 869517360), (27, 772904320), (30, 695613888), (32, 652138020), (34, 613776960), (36, 579678240), (40, 521710416), (45, 463742592), (48, 434758680), (51, 409184640), (54, 386452160), (60, 347806944), (64, 326069010), (68, 306888480), (72, 289839120), (80, 260855208), (85, 245510784), (90, 231871296), (96, 217379340), (102, 204592320), (108, 193226080), (120, 173903472), (128, 163034505), (135, 154580864), (136, 153444240), (144, 144919560), (153, 136394880), (160, 130427604), (170, 122755392), (180, 115935648), (192, 108689670), (204, 102296160), (216, 96613040), (240, 86951736), (255, 81836928), (270, 77290432), (272, 76722120), (288, 72459780), (306, 68197440), (320, 65213802), (340, 61377696), (360, 57967824), (384, 54344835), (408, 51148080), (432, 48306520), (459, 45464960), (480, 43475868), (510, 40918464), (540, 38645216), (544, 38361060), (576, 36229890), (612, 34098720), (640, 32606901), (680, 30688848), (720, 28983912), (765, 27278976), (816, 25574040), (864, 24153260), (918, 22732480), (960, 21737934), (1020, 20459232), (1080, 19322608), (1088, 19180530), (1152, 18114945), (1224, 17049360), (1360, 15344424), (1440, 14491956), (1530, 13639488), (1632, 12787020), (1728, 12076630), (1836, 11366240), (1920, 10868967), (2040, 10229616), (2160, 9661304), (2176, 9590265), (2295, 9092992), (2448, 8524680), (2720, 7672212), (2880, 7245978), (3060, 6819744), (3264, 6393510), (3456, 6038315), (3672, 5683120), (4080, 5114808), (4320, 4830652), (4590, 4546496), (4896, 4262340), (5440, 3836106), (5760, 3622989), (6120, 3409872), (6528, 3196755), (7344, 2841560), (8160, 2557404), (8640, 2415326), (9180, 2273248), (9792, 2131170), (10880, 1918053), (12240, 1704936), (14688, 1420780), (16320, 1278702), (17280, 1207663), (18360, 1136624), (19584, 1065585), (24480, 852468), (29376, 710390), (32640, 639351), (36720, 568312), (48960, 426234), (58752, 355195), (71039, 293760), (73440, 284156), (97920, 213117), (142078, 146880)]