20901075840

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{1187}}^1$

素因数の和:2234

約数の個数: 256

約数和(自身を含む): 74159712000

約数和(自身を除く): 53258636160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1019, 1080, 1152, 1187, 1440, 1728, 1920, 2038, 2160, 2374, 2880, 3057, 3456, 3561, 4076, 4320, 4748, 5095, 5760, 5935, 6114, 7122, 8152, 8640, 9171, 9496, 10190, 10683, 11870, 12228, 14244, 15285, 16304, 17280, 17805, 18342, 18992, 20380, 21366, 23740, 24456, 27513, 28488, 30570, 32049, 32608, 35610, 36684, 37984, 40760, 42732, 45855, 47480, 48912, 53415, 55026, 56976, 61140, 64098, 65216, 71220, 73368, 75968, 81520, 85464, 91710, 94960, 97824, 106830, 110052, 113952, 122280, 128196, 130432, 137565, 142440, 146736, 151936, 160245, 163040, 170928, 183420, 189920, 195648, 213660, 220104, 227904, 244560, 256392, 275130, 284880, 293472, 320490, 326080, 341856, 366840, 379840, 391296, 427320, 440208, 455808, 489120, 512784, 550260, 569760, 586944, 640980, 652160, 683712, 733680, 759680, 854640, 880416, 978240, 1025568, 1100520, 1139520, 1173888, 1209553, 1281960, 1367424, 1467360, 1709280, 1760832, 1956480, 2051136, 2201040, 2279040, 2419106, 2563920, 2934720, 3418560, 3521664, 3628659, 4102272, 4402080, 4838212, 5127840, 5869440, 6047765, 6837120, 7257318, 8804160, 9676424, 10255680, 10885977, 12095530, 14514636, 17608320, 18143295, 19352848, 20511360, 21771954, 24191060, 29029272, 32657931, 36286590, 38705696, 43543908, 48382120, 54429885, 58058544, 65315862, 72573180, 77411392, 87087816, 96764240, 108859770, 116117088, 130631724, 145146360, 154822784, 163289655, 174175632, 193528480, 217719540, 232234176, 261263448, 290292720, 326579310, 348351264, 387056960, 435439080, 464468352, 522526896, 580585440, 653158620, 696702528, 774113920, 870878160, 1045053792, 1161170880, 1306317240, 1393405056, 1741756320, 2090107584, 2322341760, 2612634480, 3483512640, 4180215168, 5225268960, 6967025280, 10450537920, 20901075840]

約数ペア:

[(1, 20901075840), (2, 10450537920), (3, 6967025280), (4, 5225268960), (5, 4180215168), (6, 3483512640), (8, 2612634480), (9, 2322341760), (10, 2090107584), (12, 1741756320), (15, 1393405056), (16, 1306317240), (18, 1161170880), (20, 1045053792), (24, 870878160), (27, 774113920), (30, 696702528), (32, 653158620), (36, 580585440), (40, 522526896), (45, 464468352), (48, 435439080), (54, 387056960), (60, 348351264), (64, 326579310), (72, 290292720), (80, 261263448), (90, 232234176), (96, 217719540), (108, 193528480), (120, 174175632), (128, 163289655), (135, 154822784), (144, 145146360), (160, 130631724), (180, 116117088), (192, 108859770), (216, 96764240), (240, 87087816), (270, 77411392), (288, 72573180), (320, 65315862), (360, 58058544), (384, 54429885), (432, 48382120), (480, 43543908), (540, 38705696), (576, 36286590), (640, 32657931), (720, 29029272), (864, 24191060), (960, 21771954), (1019, 20511360), (1080, 19352848), (1152, 18143295), (1187, 17608320), (1440, 14514636), (1728, 12095530), (1920, 10885977), (2038, 10255680), (2160, 9676424), (2374, 8804160), (2880, 7257318), (3057, 6837120), (3456, 6047765), (3561, 5869440), (4076, 5127840), (4320, 4838212), (4748, 4402080), (5095, 4102272), (5760, 3628659), (5935, 3521664), (6114, 3418560), (7122, 2934720), (8152, 2563920), (8640, 2419106), (9171, 2279040), (9496, 2201040), (10190, 2051136), (10683, 1956480), (11870, 1760832), (12228, 1709280), (14244, 1467360), (15285, 1367424), (16304, 1281960), (17280, 1209553), (17805, 1173888), (18342, 1139520), (18992, 1100520), (20380, 1025568), (21366, 978240), (23740, 880416), (24456, 854640), (27513, 759680), (28488, 733680), (30570, 683712), (32049, 652160), (32608, 640980), (35610, 586944), (36684, 569760), (37984, 550260), (40760, 512784), (42732, 489120), (45855, 455808), (47480, 440208), (48912, 427320), (53415, 391296), (55026, 379840), (56976, 366840), (61140, 341856), (64098, 326080), (65216, 320490), (71220, 293472), (73368, 284880), (75968, 275130), (81520, 256392), (85464, 244560), (91710, 227904), (94960, 220104), (97824, 213660), (106830, 195648), (110052, 189920), (113952, 183420), (122280, 170928), (128196, 163040), (130432, 160245), (137565, 151936), (142440, 146736)]