20731024800

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{1231}}^1\times {\mathrm{2339}}^1$

素因数の和:3596

約数の個数: 216

約数和(自身を含む): 73193440320

約数和(自身を除く): 52462415520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 96, 100, 120, 144, 150, 160, 180, 200, 225, 240, 288, 300, 360, 400, 450, 480, 600, 720, 800, 900, 1200, 1231, 1440, 1800, 2339, 2400, 2462, 3600, 3693, 4678, 4924, 6155, 7017, 7200, 7386, 9356, 9848, 11079, 11695, 12310, 14034, 14772, 18465, 18712, 19696, 21051, 22158, 23390, 24620, 28068, 29544, 30775, 35085, 36930, 37424, 39392, 42102, 44316, 46780, 49240, 55395, 56136, 58475, 59088, 61550, 70170, 73860, 74848, 84204, 88632, 92325, 93560, 98480, 105255, 110790, 112272, 116950, 118176, 123100, 140340, 147720, 168408, 175425, 177264, 184650, 187120, 196960, 210510, 221580, 224544, 233900, 246200, 276975, 280680, 295440, 336816, 350850, 354528, 369300, 374240, 421020, 443160, 467800, 492400, 526275, 553950, 561360, 590880, 673632, 701700, 738600, 842040, 886320, 935600, 984800, 1052550, 1107900, 1122720, 1403400, 1477200, 1684080, 1772640, 1871200, 2105100, 2215800, 2806800, 2879309, 2954400, 3368160, 4210200, 4431600, 5613600, 5758618, 8420400, 8637927, 8863200, 11517236, 14396545, 16840800, 17275854, 23034472, 25913781, 28793090, 34551708, 43189635, 46068944, 51827562, 57586180, 69103416, 71982725, 86379270, 92137888, 103655124, 115172360, 129568905, 138206832, 143965450, 172758540, 207310248, 215948175, 230344720, 259137810, 276413664, 287930900, 345517080, 414620496, 431896350, 460689440, 518275620, 575861800, 647844525, 691034160, 829240992, 863792700, 1036551240, 1151723600, 1295689050, 1382068320, 1727585400, 2073102480, 2303447200, 2591378100, 3455170800, 4146204960, 5182756200, 6910341600, 10365512400, 20731024800]

約数ペア:

[(1, 20731024800), (2, 10365512400), (3, 6910341600), (4, 5182756200), (5, 4146204960), (6, 3455170800), (8, 2591378100), (9, 2303447200), (10, 2073102480), (12, 1727585400), (15, 1382068320), (16, 1295689050), (18, 1151723600), (20, 1036551240), (24, 863792700), (25, 829240992), (30, 691034160), (32, 647844525), (36, 575861800), (40, 518275620), (45, 460689440), (48, 431896350), (50, 414620496), (60, 345517080), (72, 287930900), (75, 276413664), (80, 259137810), (90, 230344720), (96, 215948175), (100, 207310248), (120, 172758540), (144, 143965450), (150, 138206832), (160, 129568905), (180, 115172360), (200, 103655124), (225, 92137888), (240, 86379270), (288, 71982725), (300, 69103416), (360, 57586180), (400, 51827562), (450, 46068944), (480, 43189635), (600, 34551708), (720, 28793090), (800, 25913781), (900, 23034472), (1200, 17275854), (1231, 16840800), (1440, 14396545), (1800, 11517236), (2339, 8863200), (2400, 8637927), (2462, 8420400), (3600, 5758618), (3693, 5613600), (4678, 4431600), (4924, 4210200), (6155, 3368160), (7017, 2954400), (7200, 2879309), (7386, 2806800), (9356, 2215800), (9848, 2105100), (11079, 1871200), (11695, 1772640), (12310, 1684080), (14034, 1477200), (14772, 1403400), (18465, 1122720), (18712, 1107900), (19696, 1052550), (21051, 984800), (22158, 935600), (23390, 886320), (24620, 842040), (28068, 738600), (29544, 701700), (30775, 673632), (35085, 590880), (36930, 561360), (37424, 553950), (39392, 526275), (42102, 492400), (44316, 467800), (46780, 443160), (49240, 421020), (55395, 374240), (56136, 369300), (58475, 354528), (59088, 350850), (61550, 336816), (70170, 295440), (73860, 280680), (74848, 276975), (84204, 246200), (88632, 233900), (92325, 224544), (93560, 221580), (98480, 210510), (105255, 196960), (110790, 187120), (112272, 184650), (116950, 177264), (118176, 175425), (123100, 168408), (140340, 147720)]