20806976640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{1279}}^1$

素因数の和:1567

約数の個数: 256

約数和(自身を含む): 68465664000

約数和(自身を除く): 47658687360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 128, 148, 160, 185, 192, 222, 229, 240, 296, 320, 370, 384, 444, 458, 480, 555, 592, 640, 687, 740, 888, 916, 960, 1110, 1145, 1184, 1279, 1374, 1480, 1776, 1832, 1920, 2220, 2290, 2368, 2558, 2748, 2960, 3435, 3552, 3664, 3837, 4440, 4580, 4736, 5116, 5496, 5920, 6395, 6870, 7104, 7328, 7674, 8473, 8880, 9160, 10232, 10992, 11840, 12790, 13740, 14208, 14656, 15348, 16946, 17760, 18320, 19185, 20464, 21984, 23680, 25419, 25580, 27480, 29312, 30696, 33892, 35520, 36640, 38370, 40928, 42365, 43968, 47323, 50838, 51160, 54960, 61392, 67784, 71040, 73280, 76740, 81856, 84730, 87936, 94646, 101676, 102320, 109920, 122784, 127095, 135568, 141969, 146560, 153480, 163712, 169460, 189292, 203352, 204640, 219840, 236615, 245568, 254190, 271136, 283938, 292891, 306960, 338920, 378584, 406704, 409280, 439680, 473230, 491136, 508380, 542272, 567876, 585782, 613920, 677840, 709845, 757168, 813408, 818560, 878673, 946460, 1016760, 1084544, 1135752, 1171564, 1227840, 1355680, 1419690, 1464455, 1514336, 1626816, 1757346, 1892920, 2033520, 2271504, 2343128, 2455680, 2711360, 2839380, 2928910, 3028672, 3253632, 3514692, 3785840, 4067040, 4393365, 4543008, 4686256, 5422720, 5678760, 5857820, 6057344, 7029384, 7571680, 8134080, 8786730, 9086016, 9372512, 10836967, 11357520, 11715640, 14058768, 15143360, 16268160, 17573460, 18172032, 18745024, 21673934, 22715040, 23431280, 28117536, 30286720, 32510901, 35146920, 37490048, 43347868, 45430080, 46862560, 54184835, 56235072, 65021802, 70293840, 86695736, 90860160, 93725120, 108369670, 112470144, 130043604, 140587680, 162554505, 173391472, 187450240, 216739340, 260087208, 281175360, 325109010, 346782944, 433478680, 520174416, 562350720, 650218020, 693565888, 866957360, 1040348832, 1300436040, 1387131776, 1733914720, 2080697664, 2600872080, 3467829440, 4161395328, 5201744160, 6935658880, 10403488320, 20806976640]

約数ペア:

[(1, 20806976640), (2, 10403488320), (3, 6935658880), (4, 5201744160), (5, 4161395328), (6, 3467829440), (8, 2600872080), (10, 2080697664), (12, 1733914720), (15, 1387131776), (16, 1300436040), (20, 1040348832), (24, 866957360), (30, 693565888), (32, 650218020), (37, 562350720), (40, 520174416), (48, 433478680), (60, 346782944), (64, 325109010), (74, 281175360), (80, 260087208), (96, 216739340), (111, 187450240), (120, 173391472), (128, 162554505), (148, 140587680), (160, 130043604), (185, 112470144), (192, 108369670), (222, 93725120), (229, 90860160), (240, 86695736), (296, 70293840), (320, 65021802), (370, 56235072), (384, 54184835), (444, 46862560), (458, 45430080), (480, 43347868), (555, 37490048), (592, 35146920), (640, 32510901), (687, 30286720), (740, 28117536), (888, 23431280), (916, 22715040), (960, 21673934), (1110, 18745024), (1145, 18172032), (1184, 17573460), (1279, 16268160), (1374, 15143360), (1480, 14058768), (1776, 11715640), (1832, 11357520), (1920, 10836967), (2220, 9372512), (2290, 9086016), (2368, 8786730), (2558, 8134080), (2748, 7571680), (2960, 7029384), (3435, 6057344), (3552, 5857820), (3664, 5678760), (3837, 5422720), (4440, 4686256), (4580, 4543008), (4736, 4393365), (5116, 4067040), (5496, 3785840), (5920, 3514692), (6395, 3253632), (6870, 3028672), (7104, 2928910), (7328, 2839380), (7674, 2711360), (8473, 2455680), (8880, 2343128), (9160, 2271504), (10232, 2033520), (10992, 1892920), (11840, 1757346), (12790, 1626816), (13740, 1514336), (14208, 1464455), (14656, 1419690), (15348, 1355680), (16946, 1227840), (17760, 1171564), (18320, 1135752), (19185, 1084544), (20464, 1016760), (21984, 946460), (23680, 878673), (25419, 818560), (25580, 813408), (27480, 757168), (29312, 709845), (30696, 677840), (33892, 613920), (35520, 585782), (36640, 567876), (38370, 542272), (40928, 508380), (42365, 491136), (43968, 473230), (47323, 439680), (50838, 409280), (51160, 406704), (54960, 378584), (61392, 338920), (67784, 306960), (71040, 292891), (73280, 283938), (76740, 271136), (81856, 254190), (84730, 245568), (87936, 236615), (94646, 219840), (101676, 204640), (102320, 203352), (109920, 189292), (122784, 169460), (127095, 163712), (135568, 153480), (141969, 146560)]