397745280

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{347}}^1$

素因数の和:571

約数の個数: 192

約数和(自身を含む): 1384344000

約数和(自身を除く): 986598720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 199, 240, 288, 320, 347, 360, 384, 398, 480, 576, 597, 640, 694, 720, 796, 960, 995, 1041, 1152, 1194, 1388, 1440, 1592, 1735, 1791, 1920, 1990, 2082, 2388, 2776, 2880, 2985, 3123, 3184, 3470, 3582, 3980, 4164, 4776, 5205, 5552, 5760, 5970, 6246, 6368, 6940, 7164, 7960, 8328, 8955, 9552, 10410, 11104, 11940, 12492, 12736, 13880, 14328, 15615, 15920, 16656, 17910, 19104, 20820, 22208, 23880, 24984, 25472, 27760, 28656, 31230, 31840, 33312, 35820, 38208, 41640, 44416, 47760, 49968, 55520, 57312, 62460, 63680, 66624, 69053, 71640, 76416, 83280, 95520, 99936, 111040, 114624, 124920, 127360, 133248, 138106, 143280, 166560, 191040, 199872, 207159, 222080, 229248, 249840, 276212, 286560, 333120, 345265, 382080, 399744, 414318, 499680, 552424, 573120, 621477, 666240, 690530, 828636, 999360, 1035795, 1104848, 1146240, 1242954, 1381060, 1657272, 1998720, 2071590, 2209696, 2485908, 2762120, 3107385, 3314544, 4143180, 4419392, 4971816, 5524240, 6214770, 6629088, 8286360, 8838784, 9943632, 11048480, 12429540, 13258176, 16572720, 19887264, 22096960, 24859080, 26516352, 33145440, 39774528, 44193920, 49718160, 66290880, 79549056, 99436320, 132581760, 198872640, 397745280]

約数ペア:

[(1, 397745280), (2, 198872640), (3, 132581760), (4, 99436320), (5, 79549056), (6, 66290880), (8, 49718160), (9, 44193920), (10, 39774528), (12, 33145440), (15, 26516352), (16, 24859080), (18, 22096960), (20, 19887264), (24, 16572720), (30, 13258176), (32, 12429540), (36, 11048480), (40, 9943632), (45, 8838784), (48, 8286360), (60, 6629088), (64, 6214770), (72, 5524240), (80, 4971816), (90, 4419392), (96, 4143180), (120, 3314544), (128, 3107385), (144, 2762120), (160, 2485908), (180, 2209696), (192, 2071590), (199, 1998720), (240, 1657272), (288, 1381060), (320, 1242954), (347, 1146240), (360, 1104848), (384, 1035795), (398, 999360), (480, 828636), (576, 690530), (597, 666240), (640, 621477), (694, 573120), (720, 552424), (796, 499680), (960, 414318), (995, 399744), (1041, 382080), (1152, 345265), (1194, 333120), (1388, 286560), (1440, 276212), (1592, 249840), (1735, 229248), (1791, 222080), (1920, 207159), (1990, 199872), (2082, 191040), (2388, 166560), (2776, 143280), (2880, 138106), (2985, 133248), (3123, 127360), (3184, 124920), (3470, 114624), (3582, 111040), (3980, 99936), (4164, 95520), (4776, 83280), (5205, 76416), (5552, 71640), (5760, 69053), (5970, 66624), (6246, 63680), (6368, 62460), (6940, 57312), (7164, 55520), (7960, 49968), (8328, 47760), (8955, 44416), (9552, 41640), (10410, 38208), (11104, 35820), (11940, 33312), (12492, 31840), (12736, 31230), (13880, 28656), (14328, 27760), (15615, 25472), (15920, 24984), (16656, 23880), (17910, 22208), (19104, 20820)]