81340800

素因数分解:

$2^7\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:293

約数の個数: 192

約数和(自身を含む): 276358800

約数和(自身を除く): 195018000

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, 128, 148, 150, 160, 185, 192, 200, 222, 229, 240, 296, 300, 320, 370, 384, 400, 444, 458, 480, 555, 592, 600, 640, 687, 740, 800, 888, 916, 925, 960, 1110, 1145, 1184, 1200, 1374, 1480, 1600, 1776, 1832, 1850, 1920, 2220, 2290, 2368, 2400, 2748, 2775, 2960, 3200, 3435, 3552, 3664, 3700, 4440, 4580, 4736, 4800, 5496, 5550, 5725, 5920, 6870, 7104, 7328, 7400, 8473, 8880, 9160, 9600, 10992, 11100, 11450, 11840, 13740, 14208, 14656, 14800, 16946, 17175, 17760, 18320, 21984, 22200, 22900, 23680, 25419, 27480, 29312, 29600, 33892, 34350, 35520, 36640, 42365, 43968, 44400, 45800, 50838, 54960, 59200, 67784, 68700, 71040, 73280, 84730, 87936, 88800, 91600, 101676, 109920, 118400, 127095, 135568, 137400, 146560, 169460, 177600, 183200, 203352, 211825, 219840, 254190, 271136, 274800, 338920, 355200, 366400, 406704, 423650, 439680, 508380, 542272, 549600, 635475, 677840, 732800, 813408, 847300, 1016760, 1084544, 1099200, 1270950, 1355680, 1626816, 1694600, 2033520, 2198400, 2541900, 2711360, 3253632, 3389200, 4067040, 5083800, 5422720, 6778400, 8134080, 10167600, 13556800, 16268160, 20335200, 27113600, 40670400, 81340800]

約数ペア:

[(1, 81340800), (2, 40670400), (3, 27113600), (4, 20335200), (5, 16268160), (6, 13556800), (8, 10167600), (10, 8134080), (12, 6778400), (15, 5422720), (16, 5083800), (20, 4067040), (24, 3389200), (25, 3253632), (30, 2711360), (32, 2541900), (37, 2198400), (40, 2033520), (48, 1694600), (50, 1626816), (60, 1355680), (64, 1270950), (74, 1099200), (75, 1084544), (80, 1016760), (96, 847300), (100, 813408), (111, 732800), (120, 677840), (128, 635475), (148, 549600), (150, 542272), (160, 508380), (185, 439680), (192, 423650), (200, 406704), (222, 366400), (229, 355200), (240, 338920), (296, 274800), (300, 271136), (320, 254190), (370, 219840), (384, 211825), (400, 203352), (444, 183200), (458, 177600), (480, 169460), (555, 146560), (592, 137400), (600, 135568), (640, 127095), (687, 118400), (740, 109920), (800, 101676), (888, 91600), (916, 88800), (925, 87936), (960, 84730), (1110, 73280), (1145, 71040), (1184, 68700), (1200, 67784), (1374, 59200), (1480, 54960), (1600, 50838), (1776, 45800), (1832, 44400), (1850, 43968), (1920, 42365), (2220, 36640), (2290, 35520), (2368, 34350), (2400, 33892), (2748, 29600), (2775, 29312), (2960, 27480), (3200, 25419), (3435, 23680), (3552, 22900), (3664, 22200), (3700, 21984), (4440, 18320), (4580, 17760), (4736, 17175), (4800, 16946), (5496, 14800), (5550, 14656), (5725, 14208), (5920, 13740), (6870, 11840), (7104, 11450), (7328, 11100), (7400, 10992), (8473, 9600), (8880, 9160)]