20104288320

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1\times {\mathrm{1409}}^1$

素因数の和:1685

約数の個数: 224

約数和(自身を含む): 64980921600

約数和(自身を除く): 44876633280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 89, 96, 120, 160, 167, 178, 192, 240, 267, 320, 334, 356, 445, 480, 501, 534, 668, 712, 835, 890, 960, 1002, 1068, 1335, 1336, 1409, 1424, 1670, 1780, 2004, 2136, 2505, 2670, 2672, 2818, 2848, 3340, 3560, 4008, 4227, 4272, 5010, 5340, 5344, 5636, 5696, 6680, 7045, 7120, 8016, 8454, 8544, 10020, 10680, 10688, 11272, 13360, 14090, 14240, 14863, 16032, 16908, 17088, 20040, 21135, 21360, 22544, 26720, 28180, 28480, 29726, 32064, 33816, 40080, 42270, 42720, 44589, 45088, 53440, 56360, 59452, 67632, 74315, 80160, 84540, 85440, 89178, 90176, 112720, 118904, 125401, 135264, 148630, 160320, 169080, 178356, 222945, 225440, 235303, 237808, 250802, 270528, 297260, 338160, 356712, 376203, 445890, 450880, 470606, 475616, 501604, 594520, 627005, 676320, 705909, 713424, 752406, 891780, 941212, 951232, 1003208, 1176515, 1189040, 1254010, 1352640, 1411818, 1426848, 1504812, 1783560, 1881015, 1882424, 2006416, 2353030, 2378080, 2508020, 2823636, 2853696, 3009624, 3529545, 3567120, 3762030, 3764848, 4012832, 4706060, 4756160, 5016040, 5647272, 6019248, 7059090, 7134240, 7524060, 7529696, 8025664, 9412120, 10032080, 11294544, 12038496, 14118180, 14268480, 15048120, 15059392, 18824240, 20064160, 20941967, 22589088, 24076992, 28236360, 30096240, 37648480, 40128320, 41883934, 45178176, 56472720, 60192480, 62825901, 75296960, 83767868, 104709835, 112945440, 120384960, 125651802, 167535736, 209419670, 225890880, 251303604, 314129505, 335071472, 418839340, 502607208, 628259010, 670142944, 837678680, 1005214416, 1256518020, 1340285888, 1675357360, 2010428832, 2513036040, 3350714720, 4020857664, 5026072080, 6701429440, 10052144160, 20104288320]

約数ペア:

[(1, 20104288320), (2, 10052144160), (3, 6701429440), (4, 5026072080), (5, 4020857664), (6, 3350714720), (8, 2513036040), (10, 2010428832), (12, 1675357360), (15, 1340285888), (16, 1256518020), (20, 1005214416), (24, 837678680), (30, 670142944), (32, 628259010), (40, 502607208), (48, 418839340), (60, 335071472), (64, 314129505), (80, 251303604), (89, 225890880), (96, 209419670), (120, 167535736), (160, 125651802), (167, 120384960), (178, 112945440), (192, 104709835), (240, 83767868), (267, 75296960), (320, 62825901), (334, 60192480), (356, 56472720), (445, 45178176), (480, 41883934), (501, 40128320), (534, 37648480), (668, 30096240), (712, 28236360), (835, 24076992), (890, 22589088), (960, 20941967), (1002, 20064160), (1068, 18824240), (1335, 15059392), (1336, 15048120), (1409, 14268480), (1424, 14118180), (1670, 12038496), (1780, 11294544), (2004, 10032080), (2136, 9412120), (2505, 8025664), (2670, 7529696), (2672, 7524060), (2818, 7134240), (2848, 7059090), (3340, 6019248), (3560, 5647272), (4008, 5016040), (4227, 4756160), (4272, 4706060), (5010, 4012832), (5340, 3764848), (5344, 3762030), (5636, 3567120), (5696, 3529545), (6680, 3009624), (7045, 2853696), (7120, 2823636), (8016, 2508020), (8454, 2378080), (8544, 2353030), (10020, 2006416), (10680, 1882424), (10688, 1881015), (11272, 1783560), (13360, 1504812), (14090, 1426848), (14240, 1411818), (14863, 1352640), (16032, 1254010), (16908, 1189040), (17088, 1176515), (20040, 1003208), (21135, 951232), (21360, 941212), (22544, 891780), (26720, 752406), (28180, 713424), (28480, 705909), (29726, 676320), (32064, 627005), (33816, 594520), (40080, 501604), (42270, 475616), (42720, 470606), (44589, 450880), (45088, 445890), (53440, 376203), (56360, 356712), (59452, 338160), (67632, 297260), (74315, 270528), (80160, 250802), (84540, 237808), (85440, 235303), (89178, 225440), (90176, 222945), (112720, 178356), (118904, 169080), (125401, 160320), (135264, 148630)]