646101720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{677}}^1$

素因数の和:946

約数の個数: 192

約数和(自身を含む): 2303627040

約数和(自身を除く): 1657525320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 241, 264, 330, 360, 396, 440, 482, 495, 660, 677, 723, 792, 964, 990, 1205, 1320, 1354, 1446, 1928, 1980, 2031, 2169, 2410, 2651, 2708, 2892, 3385, 3615, 3960, 4062, 4338, 4820, 5302, 5416, 5784, 6093, 6770, 7230, 7447, 7953, 8124, 8676, 9640, 10155, 10604, 10845, 12186, 13255, 13540, 14460, 14894, 15906, 16248, 17352, 20310, 21208, 21690, 22341, 23859, 24372, 26510, 27080, 28920, 29788, 30465, 31812, 37235, 39765, 40620, 43380, 44682, 47718, 48744, 53020, 59576, 60930, 63624, 67023, 74470, 79530, 81240, 86760, 89364, 95436, 106040, 111705, 119295, 121860, 134046, 148940, 159060, 163157, 178728, 190872, 223410, 238590, 243720, 268092, 297880, 318120, 326314, 335115, 446820, 477180, 489471, 536184, 652628, 670230, 815785, 893640, 954360, 978942, 1305256, 1340460, 1468413, 1631570, 1794727, 1957884, 2447355, 2680920, 2936826, 3263140, 3589454, 3915768, 4894710, 5384181, 5873652, 6526280, 7178908, 7342065, 8973635, 9789420, 10768362, 11747304, 14357816, 14684130, 16152543, 17947270, 19578840, 21536724, 26920905, 29368260, 32305086, 35894540, 43073448, 53841810, 58736520, 64610172, 71789080, 80762715, 107683620, 129220344, 161525430, 215367240, 323050860, 646101720]

約数ペア:

[(1, 646101720), (2, 323050860), (3, 215367240), (4, 161525430), (5, 129220344), (6, 107683620), (8, 80762715), (9, 71789080), (10, 64610172), (11, 58736520), (12, 53841810), (15, 43073448), (18, 35894540), (20, 32305086), (22, 29368260), (24, 26920905), (30, 21536724), (33, 19578840), (36, 17947270), (40, 16152543), (44, 14684130), (45, 14357816), (55, 11747304), (60, 10768362), (66, 9789420), (72, 8973635), (88, 7342065), (90, 7178908), (99, 6526280), (110, 5873652), (120, 5384181), (132, 4894710), (165, 3915768), (180, 3589454), (198, 3263140), (220, 2936826), (241, 2680920), (264, 2447355), (330, 1957884), (360, 1794727), (396, 1631570), (440, 1468413), (482, 1340460), (495, 1305256), (660, 978942), (677, 954360), (723, 893640), (792, 815785), (964, 670230), (990, 652628), (1205, 536184), (1320, 489471), (1354, 477180), (1446, 446820), (1928, 335115), (1980, 326314), (2031, 318120), (2169, 297880), (2410, 268092), (2651, 243720), (2708, 238590), (2892, 223410), (3385, 190872), (3615, 178728), (3960, 163157), (4062, 159060), (4338, 148940), (4820, 134046), (5302, 121860), (5416, 119295), (5784, 111705), (6093, 106040), (6770, 95436), (7230, 89364), (7447, 86760), (7953, 81240), (8124, 79530), (8676, 74470), (9640, 67023), (10155, 63624), (10604, 60930), (10845, 59576), (12186, 53020), (13255, 48744), (13540, 47718), (14460, 44682), (14894, 43380), (15906, 40620), (16248, 39765), (17352, 37235), (20310, 31812), (21208, 30465), (21690, 29788), (22341, 28920), (23859, 27080), (24372, 26510)]