388812240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{443}}^1$

素因数の和:538

約数の個数: 240

約数和(自身を含む): 1391375232

約数和(自身を除く): 1002562992

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 53, 60, 69, 72, 80, 90, 92, 106, 115, 120, 138, 144, 159, 180, 184, 207, 212, 230, 240, 265, 276, 318, 345, 360, 368, 414, 424, 443, 460, 477, 530, 552, 636, 690, 720, 795, 828, 848, 886, 920, 954, 1035, 1060, 1104, 1219, 1272, 1329, 1380, 1590, 1656, 1772, 1840, 1908, 2070, 2120, 2215, 2385, 2438, 2544, 2658, 2760, 3180, 3312, 3544, 3657, 3816, 3987, 4140, 4240, 4430, 4770, 4876, 5316, 5520, 6095, 6360, 6645, 7088, 7314, 7632, 7974, 8280, 8860, 9540, 9752, 10189, 10632, 10971, 12190, 12720, 13290, 14628, 15948, 16560, 17720, 18285, 19080, 19504, 19935, 20378, 21264, 21942, 23479, 24380, 26580, 29256, 30567, 31896, 35440, 36570, 38160, 39870, 40756, 43884, 46958, 48760, 50945, 53160, 54855, 58512, 61134, 63792, 70437, 73140, 79740, 81512, 87768, 91701, 93916, 97520, 101890, 106320, 109710, 117395, 122268, 140874, 146280, 152835, 159480, 163024, 175536, 183402, 187832, 203780, 211311, 219420, 234790, 244536, 281748, 292560, 305670, 318960, 352185, 366804, 375664, 407560, 422622, 438840, 458505, 469580, 489072, 540017, 563496, 611340, 704370, 733608, 815120, 845244, 877680, 917010, 939160, 1056555, 1080034, 1126992, 1222680, 1408740, 1467216, 1620051, 1690488, 1834020, 1878320, 2113110, 2160068, 2445360, 2700085, 2817480, 3240102, 3380976, 3668040, 4226220, 4320136, 4860153, 5400170, 5634960, 6480204, 7336080, 8100255, 8452440, 8640272, 9720306, 10800340, 12960408, 16200510, 16904880, 19440612, 21600680, 24300765, 25920816, 32401020, 38881224, 43201360, 48601530, 64802040, 77762448, 97203060, 129604080, 194406120, 388812240]

約数ペア:

[(1, 388812240), (2, 194406120), (3, 129604080), (4, 97203060), (5, 77762448), (6, 64802040), (8, 48601530), (9, 43201360), (10, 38881224), (12, 32401020), (15, 25920816), (16, 24300765), (18, 21600680), (20, 19440612), (23, 16904880), (24, 16200510), (30, 12960408), (36, 10800340), (40, 9720306), (45, 8640272), (46, 8452440), (48, 8100255), (53, 7336080), (60, 6480204), (69, 5634960), (72, 5400170), (80, 4860153), (90, 4320136), (92, 4226220), (106, 3668040), (115, 3380976), (120, 3240102), (138, 2817480), (144, 2700085), (159, 2445360), (180, 2160068), (184, 2113110), (207, 1878320), (212, 1834020), (230, 1690488), (240, 1620051), (265, 1467216), (276, 1408740), (318, 1222680), (345, 1126992), (360, 1080034), (368, 1056555), (414, 939160), (424, 917010), (443, 877680), (460, 845244), (477, 815120), (530, 733608), (552, 704370), (636, 611340), (690, 563496), (720, 540017), (795, 489072), (828, 469580), (848, 458505), (886, 438840), (920, 422622), (954, 407560), (1035, 375664), (1060, 366804), (1104, 352185), (1219, 318960), (1272, 305670), (1329, 292560), (1380, 281748), (1590, 244536), (1656, 234790), (1772, 219420), (1840, 211311), (1908, 203780), (2070, 187832), (2120, 183402), (2215, 175536), (2385, 163024), (2438, 159480), (2544, 152835), (2658, 146280), (2760, 140874), (3180, 122268), (3312, 117395), (3544, 109710), (3657, 106320), (3816, 101890), (3987, 97520), (4140, 93916), (4240, 91701), (4430, 87768), (4770, 81512), (4876, 79740), (5316, 73140), (5520, 70437), (6095, 63792), (6360, 61134), (6645, 58512), (7088, 54855), (7314, 53160), (7632, 50945), (7974, 48760), (8280, 46958), (8860, 43884), (9540, 40756), (9752, 39870), (10189, 38160), (10632, 36570), (10971, 35440), (12190, 31896), (12720, 30567), (13290, 29256), (14628, 26580), (15948, 24380), (16560, 23479), (17720, 21942), (18285, 21264), (19080, 20378), (19504, 19935)]