20728228320

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{44843}}^1$

素因数の和:44974

約数の個数: 192

約数和(自身を含む): 73228458240

約数和(自身を除く): 52500229920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 107, 108, 120, 135, 144, 160, 180, 214, 216, 240, 270, 288, 321, 360, 428, 432, 480, 535, 540, 642, 720, 856, 864, 963, 1070, 1080, 1284, 1440, 1605, 1712, 1926, 2140, 2160, 2568, 2889, 3210, 3424, 3852, 4280, 4320, 4815, 5136, 5778, 6420, 7704, 8560, 9630, 10272, 11556, 12840, 14445, 15408, 17120, 19260, 23112, 25680, 28890, 30816, 38520, 44843, 46224, 51360, 57780, 77040, 89686, 92448, 115560, 134529, 154080, 179372, 224215, 231120, 269058, 358744, 403587, 448430, 462240, 538116, 672645, 717488, 807174, 896860, 1076232, 1210761, 1345290, 1434976, 1614348, 1793720, 2017935, 2152464, 2421522, 2690580, 3228696, 3587440, 4035870, 4304928, 4798201, 4843044, 5381160, 6053805, 6457392, 7174880, 8071740, 9596402, 9686088, 10762320, 12107610, 12914784, 14394603, 16143480, 19192804, 19372176, 21524640, 23991005, 24215220, 28789206, 32286960, 38385608, 38744352, 43183809, 47982010, 48430440, 57578412, 64573920, 71973015, 76771216, 86367618, 95964020, 96860880, 115156824, 129551427, 143946030, 153542432, 172735236, 191928040, 193721760, 215919045, 230313648, 259102854, 287892060, 345470472, 383856080, 431838090, 460627296, 518205708, 575784120, 647757135, 690940944, 767712160, 863676180, 1036411416, 1151568240, 1295514270, 1381881888, 1727352360, 2072822832, 2303136480, 2591028540, 3454704720, 4145645664, 5182057080, 6909409440, 10364114160, 20728228320]

約数ペア:

[(1, 20728228320), (2, 10364114160), (3, 6909409440), (4, 5182057080), (5, 4145645664), (6, 3454704720), (8, 2591028540), (9, 2303136480), (10, 2072822832), (12, 1727352360), (15, 1381881888), (16, 1295514270), (18, 1151568240), (20, 1036411416), (24, 863676180), (27, 767712160), (30, 690940944), (32, 647757135), (36, 575784120), (40, 518205708), (45, 460627296), (48, 431838090), (54, 383856080), (60, 345470472), (72, 287892060), (80, 259102854), (90, 230313648), (96, 215919045), (107, 193721760), (108, 191928040), (120, 172735236), (135, 153542432), (144, 143946030), (160, 129551427), (180, 115156824), (214, 96860880), (216, 95964020), (240, 86367618), (270, 76771216), (288, 71973015), (321, 64573920), (360, 57578412), (428, 48430440), (432, 47982010), (480, 43183809), (535, 38744352), (540, 38385608), (642, 32286960), (720, 28789206), (856, 24215220), (864, 23991005), (963, 21524640), (1070, 19372176), (1080, 19192804), (1284, 16143480), (1440, 14394603), (1605, 12914784), (1712, 12107610), (1926, 10762320), (2140, 9686088), (2160, 9596402), (2568, 8071740), (2889, 7174880), (3210, 6457392), (3424, 6053805), (3852, 5381160), (4280, 4843044), (4320, 4798201), (4815, 4304928), (5136, 4035870), (5778, 3587440), (6420, 3228696), (7704, 2690580), (8560, 2421522), (9630, 2152464), (10272, 2017935), (11556, 1793720), (12840, 1614348), (14445, 1434976), (15408, 1345290), (17120, 1210761), (19260, 1076232), (23112, 896860), (25680, 807174), (28890, 717488), (30816, 672645), (38520, 538116), (44843, 462240), (46224, 448430), (51360, 403587), (57780, 358744), (77040, 269058), (89686, 231120), (92448, 224215), (115560, 179372), (134529, 154080)]