1319444640

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1669}}^1$

素因数の和:1757

約数の個数: 240

約数和(自身を含む): 4735712520

約数和(自身を除く): 3416267880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 61, 72, 80, 81, 90, 96, 108, 120, 122, 135, 144, 160, 162, 180, 183, 216, 240, 244, 270, 288, 305, 324, 360, 366, 405, 432, 480, 488, 540, 549, 610, 648, 720, 732, 810, 864, 915, 976, 1080, 1098, 1220, 1296, 1440, 1464, 1620, 1647, 1669, 1830, 1952, 2160, 2196, 2440, 2592, 2745, 2928, 3240, 3294, 3338, 3660, 4320, 4392, 4880, 4941, 5007, 5490, 5856, 6480, 6588, 6676, 7320, 8235, 8345, 8784, 9760, 9882, 10014, 10980, 12960, 13176, 13352, 14640, 15021, 16470, 16690, 17568, 19764, 20028, 21960, 24705, 25035, 26352, 26704, 29280, 30042, 32940, 33380, 39528, 40056, 43920, 45063, 49410, 50070, 52704, 53408, 60084, 65880, 66760, 75105, 79056, 80112, 87840, 90126, 98820, 100140, 101809, 120168, 131760, 133520, 135189, 150210, 158112, 160224, 180252, 197640, 200280, 203618, 225315, 240336, 263520, 267040, 270378, 300420, 305427, 360504, 395280, 400560, 407236, 450630, 480672, 509045, 540756, 600840, 610854, 675945, 721008, 790560, 801120, 814472, 901260, 916281, 1018090, 1081512, 1201680, 1221708, 1351890, 1442016, 1527135, 1628944, 1802520, 1832562, 2036180, 2163024, 2403360, 2443416, 2703780, 2748843, 3054270, 3257888, 3605040, 3665124, 4072360, 4326048, 4581405, 4886832, 5407560, 5497686, 6108540, 7210080, 7330248, 8144720, 8246529, 9162810, 9773664, 10815120, 10995372, 12217080, 13744215, 14660496, 16289440, 16493058, 18325620, 21630240, 21990744, 24434160, 27488430, 29320992, 32986116, 36651240, 41232645, 43981488, 48868320, 54976860, 65972232, 73302480, 82465290, 87962976, 109953720, 131944464, 146604960, 164930580, 219907440, 263888928, 329861160, 439814880, 659722320, 1319444640]

約数ペア:

[(1, 1319444640), (2, 659722320), (3, 439814880), (4, 329861160), (5, 263888928), (6, 219907440), (8, 164930580), (9, 146604960), (10, 131944464), (12, 109953720), (15, 87962976), (16, 82465290), (18, 73302480), (20, 65972232), (24, 54976860), (27, 48868320), (30, 43981488), (32, 41232645), (36, 36651240), (40, 32986116), (45, 29320992), (48, 27488430), (54, 24434160), (60, 21990744), (61, 21630240), (72, 18325620), (80, 16493058), (81, 16289440), (90, 14660496), (96, 13744215), (108, 12217080), (120, 10995372), (122, 10815120), (135, 9773664), (144, 9162810), (160, 8246529), (162, 8144720), (180, 7330248), (183, 7210080), (216, 6108540), (240, 5497686), (244, 5407560), (270, 4886832), (288, 4581405), (305, 4326048), (324, 4072360), (360, 3665124), (366, 3605040), (405, 3257888), (432, 3054270), (480, 2748843), (488, 2703780), (540, 2443416), (549, 2403360), (610, 2163024), (648, 2036180), (720, 1832562), (732, 1802520), (810, 1628944), (864, 1527135), (915, 1442016), (976, 1351890), (1080, 1221708), (1098, 1201680), (1220, 1081512), (1296, 1018090), (1440, 916281), (1464, 901260), (1620, 814472), (1647, 801120), (1669, 790560), (1830, 721008), (1952, 675945), (2160, 610854), (2196, 600840), (2440, 540756), (2592, 509045), (2745, 480672), (2928, 450630), (3240, 407236), (3294, 400560), (3338, 395280), (3660, 360504), (4320, 305427), (4392, 300420), (4880, 270378), (4941, 267040), (5007, 263520), (5490, 240336), (5856, 225315), (6480, 203618), (6588, 200280), (6676, 197640), (7320, 180252), (8235, 160224), (8345, 158112), (8784, 150210), (9760, 135189), (9882, 133520), (10014, 131760), (10980, 120168), (12960, 101809), (13176, 100140), (13352, 98820), (14640, 90126), (15021, 87840), (16470, 80112), (16690, 79056), (17568, 75105), (19764, 66760), (20028, 65880), (21960, 60084), (24705, 53408), (25035, 52704), (26352, 50070), (26704, 49410), (29280, 45063), (30042, 43920), (32940, 40056), (33380, 39528)]