1978464000

素因数分解:

$2^8\times 3^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:628

約数の個数: 288

約数和(自身を含む): 6761192256

約数和(自身を除く): 4782728256

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 37, 40, 48, 50, 60, 64, 74, 75, 80, 96, 100, 111, 120, 125, 128, 148, 150, 160, 185, 192, 200, 222, 240, 250, 256, 296, 300, 320, 370, 375, 384, 400, 444, 480, 500, 555, 557, 592, 600, 640, 740, 750, 768, 800, 888, 925, 960, 1000, 1110, 1114, 1184, 1200, 1280, 1480, 1500, 1600, 1671, 1776, 1850, 1920, 2000, 2220, 2228, 2368, 2400, 2775, 2785, 2960, 3000, 3200, 3342, 3552, 3700, 3840, 4000, 4440, 4456, 4625, 4736, 4800, 5550, 5570, 5920, 6000, 6400, 6684, 7104, 7400, 8000, 8355, 8880, 8912, 9250, 9472, 9600, 11100, 11140, 11840, 12000, 13368, 13875, 13925, 14208, 14800, 16000, 16710, 17760, 17824, 18500, 19200, 20609, 22200, 22280, 23680, 24000, 26736, 27750, 27850, 28416, 29600, 32000, 33420, 35520, 35648, 37000, 41218, 41775, 44400, 44560, 47360, 48000, 53472, 55500, 55700, 59200, 61827, 66840, 69625, 71040, 71296, 74000, 82436, 83550, 88800, 89120, 96000, 103045, 106944, 111000, 111400, 118400, 123654, 133680, 139250, 142080, 142592, 148000, 164872, 167100, 177600, 178240, 206090, 208875, 213888, 222000, 222800, 236800, 247308, 267360, 278500, 296000, 309135, 329744, 334200, 355200, 356480, 412180, 417750, 427776, 444000, 445600, 494616, 515225, 534720, 557000, 592000, 618270, 659488, 668400, 710400, 712960, 824360, 835500, 888000, 891200, 989232, 1030450, 1069440, 1114000, 1184000, 1236540, 1318976, 1336800, 1545675, 1648720, 1671000, 1776000, 1782400, 1978464, 2060900, 2138880, 2228000, 2473080, 2576125, 2637952, 2673600, 3091350, 3297440, 3342000, 3552000, 3564800, 3956928, 4121800, 4456000, 4946160, 5152250, 5275904, 5347200, 6182700, 6594880, 6684000, 7728375, 7913856, 8243600, 8912000, 9892320, 10304500, 10694400, 12365400, 13189760, 13368000, 15456750, 15827712, 16487200, 17824000, 19784640, 20609000, 24730800, 26379520, 26736000, 30913500, 32974400, 39569280, 41218000, 49461600, 53472000, 61827000, 65948800, 79138560, 82436000, 98923200, 123654000, 131897600, 164872000, 197846400, 247308000, 329744000, 395692800, 494616000, 659488000, 989232000, 1978464000]

約数ペア:

[(1, 1978464000), (2, 989232000), (3, 659488000), (4, 494616000), (5, 395692800), (6, 329744000), (8, 247308000), (10, 197846400), (12, 164872000), (15, 131897600), (16, 123654000), (20, 98923200), (24, 82436000), (25, 79138560), (30, 65948800), (32, 61827000), (37, 53472000), (40, 49461600), (48, 41218000), (50, 39569280), (60, 32974400), (64, 30913500), (74, 26736000), (75, 26379520), (80, 24730800), (96, 20609000), (100, 19784640), (111, 17824000), (120, 16487200), (125, 15827712), (128, 15456750), (148, 13368000), (150, 13189760), (160, 12365400), (185, 10694400), (192, 10304500), (200, 9892320), (222, 8912000), (240, 8243600), (250, 7913856), (256, 7728375), (296, 6684000), (300, 6594880), (320, 6182700), (370, 5347200), (375, 5275904), (384, 5152250), (400, 4946160), (444, 4456000), (480, 4121800), (500, 3956928), (555, 3564800), (557, 3552000), (592, 3342000), (600, 3297440), (640, 3091350), (740, 2673600), (750, 2637952), (768, 2576125), (800, 2473080), (888, 2228000), (925, 2138880), (960, 2060900), (1000, 1978464), (1110, 1782400), (1114, 1776000), (1184, 1671000), (1200, 1648720), (1280, 1545675), (1480, 1336800), (1500, 1318976), (1600, 1236540), (1671, 1184000), (1776, 1114000), (1850, 1069440), (1920, 1030450), (2000, 989232), (2220, 891200), (2228, 888000), (2368, 835500), (2400, 824360), (2775, 712960), (2785, 710400), (2960, 668400), (3000, 659488), (3200, 618270), (3342, 592000), (3552, 557000), (3700, 534720), (3840, 515225), (4000, 494616), (4440, 445600), (4456, 444000), (4625, 427776), (4736, 417750), (4800, 412180), (5550, 356480), (5570, 355200), (5920, 334200), (6000, 329744), (6400, 309135), (6684, 296000), (7104, 278500), (7400, 267360), (8000, 247308), (8355, 236800), (8880, 222800), (8912, 222000), (9250, 213888), (9472, 208875), (9600, 206090), (11100, 178240), (11140, 177600), (11840, 167100), (12000, 164872), (13368, 148000), (13875, 142592), (13925, 142080), (14208, 139250), (14800, 133680), (16000, 123654), (16710, 118400), (17760, 111400), (17824, 111000), (18500, 106944), (19200, 103045), (20609, 96000), (22200, 89120), (22280, 88800), (23680, 83550), (24000, 82436), (26736, 74000), (27750, 71296), (27850, 71040), (28416, 69625), (29600, 66840), (32000, 61827), (33420, 59200), (35520, 55700), (35648, 55500), (37000, 53472), (41218, 48000), (41775, 47360), (44400, 44560)]