638288280

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13331}}^1$

素因数の和:13374

約数の個数: 192

約数和(自身を含む): 2495750400

約数和(自身を除く): 1857462120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 114, 120, 126, 133, 140, 152, 168, 171, 180, 190, 210, 228, 252, 266, 280, 285, 315, 342, 360, 380, 399, 420, 456, 504, 532, 570, 630, 665, 684, 760, 798, 840, 855, 1064, 1140, 1197, 1260, 1330, 1368, 1596, 1710, 1995, 2280, 2394, 2520, 2660, 3192, 3420, 3990, 4788, 5320, 5985, 6840, 7980, 9576, 11970, 13331, 15960, 23940, 26662, 39993, 47880, 53324, 66655, 79986, 93317, 106648, 119979, 133310, 159972, 186634, 199965, 239958, 253289, 266620, 279951, 319944, 373268, 399930, 466585, 479916, 506578, 533240, 559902, 599895, 746536, 759867, 799860, 839853, 933170, 959832, 1013156, 1119804, 1199790, 1266445, 1399755, 1519734, 1599720, 1679706, 1773023, 1866340, 2026312, 2239608, 2279601, 2399580, 2532890, 2799510, 3039468, 3359412, 3546046, 3732680, 3799335, 4199265, 4559202, 4799160, 5065780, 5319069, 5599020, 6078936, 6718824, 7092092, 7598670, 8398530, 8865115, 9118404, 10131560, 10638138, 11198040, 11398005, 14184184, 15197340, 15957207, 16797060, 17730230, 18236808, 21276276, 22796010, 26595345, 30394680, 31914414, 33594120, 35460460, 42552552, 45592020, 53190690, 63828828, 70920920, 79786035, 91184040, 106381380, 127657656, 159572070, 212762760, 319144140, 638288280]

約数ペア:

[(1, 638288280), (2, 319144140), (3, 212762760), (4, 159572070), (5, 127657656), (6, 106381380), (7, 91184040), (8, 79786035), (9, 70920920), (10, 63828828), (12, 53190690), (14, 45592020), (15, 42552552), (18, 35460460), (19, 33594120), (20, 31914414), (21, 30394680), (24, 26595345), (28, 22796010), (30, 21276276), (35, 18236808), (36, 17730230), (38, 16797060), (40, 15957207), (42, 15197340), (45, 14184184), (56, 11398005), (57, 11198040), (60, 10638138), (63, 10131560), (70, 9118404), (72, 8865115), (76, 8398530), (84, 7598670), (90, 7092092), (95, 6718824), (105, 6078936), (114, 5599020), (120, 5319069), (126, 5065780), (133, 4799160), (140, 4559202), (152, 4199265), (168, 3799335), (171, 3732680), (180, 3546046), (190, 3359412), (210, 3039468), (228, 2799510), (252, 2532890), (266, 2399580), (280, 2279601), (285, 2239608), (315, 2026312), (342, 1866340), (360, 1773023), (380, 1679706), (399, 1599720), (420, 1519734), (456, 1399755), (504, 1266445), (532, 1199790), (570, 1119804), (630, 1013156), (665, 959832), (684, 933170), (760, 839853), (798, 799860), (840, 759867), (855, 746536), (1064, 599895), (1140, 559902), (1197, 533240), (1260, 506578), (1330, 479916), (1368, 466585), (1596, 399930), (1710, 373268), (1995, 319944), (2280, 279951), (2394, 266620), (2520, 253289), (2660, 239958), (3192, 199965), (3420, 186634), (3990, 159972), (4788, 133310), (5320, 119979), (5985, 106648), (6840, 93317), (7980, 79986), (9576, 66655), (11970, 53324), (13331, 47880), (15960, 39993), (23940, 26662)]