18648720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{439}}^1$

素因数の和:517

約数の個数: 120

約数和(自身を含む): 63835200

約数和(自身を除く): 45186480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 59, 60, 72, 80, 90, 118, 120, 144, 177, 180, 236, 240, 295, 354, 360, 439, 472, 531, 590, 708, 720, 878, 885, 944, 1062, 1180, 1317, 1416, 1756, 1770, 2124, 2195, 2360, 2634, 2655, 2832, 3512, 3540, 3951, 4248, 4390, 4720, 5268, 5310, 6585, 7024, 7080, 7902, 8496, 8780, 10536, 10620, 13170, 14160, 15804, 17560, 19755, 21072, 21240, 25901, 26340, 31608, 35120, 39510, 42480, 51802, 52680, 63216, 77703, 79020, 103604, 105360, 129505, 155406, 158040, 207208, 233109, 259010, 310812, 316080, 388515, 414416, 466218, 518020, 621624, 777030, 932436, 1036040, 1165545, 1243248, 1554060, 1864872, 2072080, 2331090, 3108120, 3729744, 4662180, 6216240, 9324360, 18648720]

約数ペア:

[(1, 18648720), (2, 9324360), (3, 6216240), (4, 4662180), (5, 3729744), (6, 3108120), (8, 2331090), (9, 2072080), (10, 1864872), (12, 1554060), (15, 1243248), (16, 1165545), (18, 1036040), (20, 932436), (24, 777030), (30, 621624), (36, 518020), (40, 466218), (45, 414416), (48, 388515), (59, 316080), (60, 310812), (72, 259010), (80, 233109), (90, 207208), (118, 158040), (120, 155406), (144, 129505), (177, 105360), (180, 103604), (236, 79020), (240, 77703), (295, 63216), (354, 52680), (360, 51802), (439, 42480), (472, 39510), (531, 35120), (590, 31608), (708, 26340), (720, 25901), (878, 21240), (885, 21072), (944, 19755), (1062, 17560), (1180, 15804), (1317, 14160), (1416, 13170), (1756, 10620), (1770, 10536), (2124, 8780), (2195, 8496), (2360, 7902), (2634, 7080), (2655, 7024), (2832, 6585), (3512, 5310), (3540, 5268), (3951, 4720), (4248, 4390)]