1311544920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2221}}^1$

素因数の和:2298

約数の個数: 256

約数和(自身を含む): 4863513600

約数和(自身を除く): 3551968680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 37, 38, 40, 42, 56, 57, 60, 70, 74, 76, 84, 95, 105, 111, 114, 120, 133, 140, 148, 152, 168, 185, 190, 210, 222, 228, 259, 266, 280, 285, 296, 370, 380, 399, 420, 444, 456, 518, 532, 555, 570, 665, 703, 740, 760, 777, 798, 840, 888, 1036, 1064, 1110, 1140, 1295, 1330, 1406, 1480, 1554, 1596, 1995, 2072, 2109, 2220, 2221, 2280, 2590, 2660, 2812, 3108, 3192, 3515, 3885, 3990, 4218, 4440, 4442, 4921, 5180, 5320, 5624, 6216, 6663, 7030, 7770, 7980, 8436, 8884, 9842, 10360, 10545, 11105, 13326, 14060, 14763, 15540, 15547, 15960, 16872, 17768, 19684, 21090, 22210, 24605, 26652, 28120, 29526, 31080, 31094, 33315, 39368, 42180, 42199, 44420, 46641, 49210, 53304, 59052, 62188, 66630, 73815, 77735, 82177, 84360, 84398, 88840, 93282, 98420, 118104, 124376, 126597, 133260, 147630, 155470, 164354, 168796, 186564, 196840, 210995, 233205, 246531, 253194, 266520, 295260, 295393, 310940, 328708, 337592, 373128, 410885, 421990, 466410, 493062, 506388, 575239, 590520, 590786, 621880, 632985, 657416, 821770, 843980, 886179, 932820, 986124, 1012776, 1150478, 1181572, 1232655, 1265970, 1476965, 1561363, 1643540, 1687960, 1725717, 1772358, 1865640, 1972248, 2300956, 2363144, 2465310, 2531940, 2876195, 2953930, 3122726, 3287080, 3451434, 3544716, 4430895, 4601912, 4684089, 4930620, 5063880, 5752390, 5907860, 6245452, 6902868, 7089432, 7806815, 8628585, 8861790, 9368178, 9861240, 10929541, 11504780, 11815720, 12490904, 13805736, 15613630, 17257170, 17723580, 18736356, 21859082, 23009560, 23420445, 31227260, 32788623, 34514340, 35447160, 37472712, 43718164, 46840890, 54647705, 62454520, 65577246, 69028680, 87436328, 93681780, 109295410, 131154492, 163943115, 187363560, 218590820, 262308984, 327886230, 437181640, 655772460, 1311544920]

約数ペア:

[(1, 1311544920), (2, 655772460), (3, 437181640), (4, 327886230), (5, 262308984), (6, 218590820), (7, 187363560), (8, 163943115), (10, 131154492), (12, 109295410), (14, 93681780), (15, 87436328), (19, 69028680), (20, 65577246), (21, 62454520), (24, 54647705), (28, 46840890), (30, 43718164), (35, 37472712), (37, 35447160), (38, 34514340), (40, 32788623), (42, 31227260), (56, 23420445), (57, 23009560), (60, 21859082), (70, 18736356), (74, 17723580), (76, 17257170), (84, 15613630), (95, 13805736), (105, 12490904), (111, 11815720), (114, 11504780), (120, 10929541), (133, 9861240), (140, 9368178), (148, 8861790), (152, 8628585), (168, 7806815), (185, 7089432), (190, 6902868), (210, 6245452), (222, 5907860), (228, 5752390), (259, 5063880), (266, 4930620), (280, 4684089), (285, 4601912), (296, 4430895), (370, 3544716), (380, 3451434), (399, 3287080), (420, 3122726), (444, 2953930), (456, 2876195), (518, 2531940), (532, 2465310), (555, 2363144), (570, 2300956), (665, 1972248), (703, 1865640), (740, 1772358), (760, 1725717), (777, 1687960), (798, 1643540), (840, 1561363), (888, 1476965), (1036, 1265970), (1064, 1232655), (1110, 1181572), (1140, 1150478), (1295, 1012776), (1330, 986124), (1406, 932820), (1480, 886179), (1554, 843980), (1596, 821770), (1995, 657416), (2072, 632985), (2109, 621880), (2220, 590786), (2221, 590520), (2280, 575239), (2590, 506388), (2660, 493062), (2812, 466410), (3108, 421990), (3192, 410885), (3515, 373128), (3885, 337592), (3990, 328708), (4218, 310940), (4440, 295393), (4442, 295260), (4921, 266520), (5180, 253194), (5320, 246531), (5624, 233205), (6216, 210995), (6663, 196840), (7030, 186564), (7770, 168796), (7980, 164354), (8436, 155470), (8884, 147630), (9842, 133260), (10360, 126597), (10545, 124376), (11105, 118104), (13326, 98420), (14060, 93282), (14763, 88840), (15540, 84398), (15547, 84360), (15960, 82177), (16872, 77735), (17768, 73815), (19684, 66630), (21090, 62188), (22210, 59052), (24605, 53304), (26652, 49210), (28120, 46641), (29526, 44420), (31080, 42199), (31094, 42180), (33315, 39368)]