388833120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20771}}^1$

素因数の和:20805

約数の個数: 144

約数和(自身を含む): 1429030512

約数和(自身を除く): 1040197392

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 9360, 18720, 20771, 41542, 62313, 83084, 103855, 124626, 166168, 186939, 207710, 249252, 270023, 311565, 332336, 373878, 415420, 498504, 540046, 623130, 664672, 747756, 810069, 830840, 934695, 997008, 1080092, 1246260, 1350115, 1495512, 1620138, 1661680, 1869390, 1994016, 2160184, 2430207, 2492520, 2700230, 2991024, 3240276, 3323360, 3738780, 4050345, 4320368, 4860414, 4985040, 5400460, 5982048, 6480552, 7477560, 8100690, 8640736, 9720828, 9970080, 10800920, 12151035, 12961104, 14955120, 16201380, 19441656, 21601840, 24302070, 25922208, 29910240, 32402760, 38883312, 43203680, 48604140, 64805520, 77766624, 97208280, 129611040, 194416560, 388833120]

約数ペア:

[(1, 388833120), (2, 194416560), (3, 129611040), (4, 97208280), (5, 77766624), (6, 64805520), (8, 48604140), (9, 43203680), (10, 38883312), (12, 32402760), (13, 29910240), (15, 25922208), (16, 24302070), (18, 21601840), (20, 19441656), (24, 16201380), (26, 14955120), (30, 12961104), (32, 12151035), (36, 10800920), (39, 9970080), (40, 9720828), (45, 8640736), (48, 8100690), (52, 7477560), (60, 6480552), (65, 5982048), (72, 5400460), (78, 4985040), (80, 4860414), (90, 4320368), (96, 4050345), (104, 3738780), (117, 3323360), (120, 3240276), (130, 2991024), (144, 2700230), (156, 2492520), (160, 2430207), (180, 2160184), (195, 1994016), (208, 1869390), (234, 1661680), (240, 1620138), (260, 1495512), (288, 1350115), (312, 1246260), (360, 1080092), (390, 997008), (416, 934695), (468, 830840), (480, 810069), (520, 747756), (585, 664672), (624, 623130), (720, 540046), (780, 498504), (936, 415420), (1040, 373878), (1170, 332336), (1248, 311565), (1440, 270023), (1560, 249252), (1872, 207710), (2080, 186939), (2340, 166168), (3120, 124626), (3744, 103855), (4680, 83084), (6240, 62313), (9360, 41542), (18720, 20771)]