668288880

素因数分解:

$2^4\times 3^6\times 5^1\times 7^1\times {\mathrm{1637}}^1$

素因数の和:1675

約数の個数: 280

約数和(自身を含む): 2664016992

約数和(自身を除く): 1995728112

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 162, 168, 180, 189, 210, 216, 240, 243, 252, 270, 280, 315, 324, 336, 360, 378, 405, 420, 432, 486, 504, 540, 560, 567, 630, 648, 720, 729, 756, 810, 840, 945, 972, 1008, 1080, 1134, 1215, 1260, 1296, 1458, 1512, 1620, 1637, 1680, 1701, 1890, 1944, 2160, 2268, 2430, 2520, 2835, 2916, 3024, 3240, 3274, 3402, 3645, 3780, 3888, 4536, 4860, 4911, 5040, 5103, 5670, 5832, 6480, 6548, 6804, 7290, 7560, 8185, 8505, 9072, 9720, 9822, 10206, 11340, 11459, 11664, 13096, 13608, 14580, 14733, 15120, 16370, 17010, 19440, 19644, 20412, 22680, 22918, 24555, 25515, 26192, 27216, 29160, 29466, 32740, 34020, 34377, 39288, 40824, 44199, 45360, 45836, 49110, 51030, 57295, 58320, 58932, 65480, 68040, 68754, 73665, 78576, 81648, 88398, 91672, 98220, 102060, 103131, 114590, 117864, 130960, 132597, 136080, 137508, 147330, 171885, 176796, 183344, 196440, 204120, 206262, 220995, 229180, 235728, 265194, 275016, 294660, 309393, 343770, 353592, 392880, 397791, 408240, 412524, 441990, 458360, 515655, 530388, 550032, 589320, 618786, 662985, 687540, 707184, 795582, 825048, 883980, 916720, 928179, 1031310, 1060776, 1178640, 1193373, 1237572, 1325970, 1375080, 1546965, 1591164, 1650096, 1767960, 1856358, 1988955, 2062620, 2121552, 2386746, 2475144, 2651940, 2750160, 2784537, 3093930, 3182328, 3535920, 3712716, 3977910, 4125240, 4640895, 4773492, 4950288, 5303880, 5569074, 5966865, 6187860, 6364656, 7425432, 7955820, 8250480, 8353611, 9281790, 9546984, 10607760, 11138148, 11933730, 12375720, 13922685, 14850864, 15911640, 16707222, 18563580, 19093968, 22276296, 23867460, 24751440, 27845370, 31823280, 33414444, 37127160, 41768055, 44552592, 47734920, 55690740, 66828888, 74254320, 83536110, 95469840, 111381480, 133657776, 167072220, 222762960, 334144440, 668288880]

約数ペア:

[(1, 668288880), (2, 334144440), (3, 222762960), (4, 167072220), (5, 133657776), (6, 111381480), (7, 95469840), (8, 83536110), (9, 74254320), (10, 66828888), (12, 55690740), (14, 47734920), (15, 44552592), (16, 41768055), (18, 37127160), (20, 33414444), (21, 31823280), (24, 27845370), (27, 24751440), (28, 23867460), (30, 22276296), (35, 19093968), (36, 18563580), (40, 16707222), (42, 15911640), (45, 14850864), (48, 13922685), (54, 12375720), (56, 11933730), (60, 11138148), (63, 10607760), (70, 9546984), (72, 9281790), (80, 8353611), (81, 8250480), (84, 7955820), (90, 7425432), (105, 6364656), (108, 6187860), (112, 5966865), (120, 5569074), (126, 5303880), (135, 4950288), (140, 4773492), (144, 4640895), (162, 4125240), (168, 3977910), (180, 3712716), (189, 3535920), (210, 3182328), (216, 3093930), (240, 2784537), (243, 2750160), (252, 2651940), (270, 2475144), (280, 2386746), (315, 2121552), (324, 2062620), (336, 1988955), (360, 1856358), (378, 1767960), (405, 1650096), (420, 1591164), (432, 1546965), (486, 1375080), (504, 1325970), (540, 1237572), (560, 1193373), (567, 1178640), (630, 1060776), (648, 1031310), (720, 928179), (729, 916720), (756, 883980), (810, 825048), (840, 795582), (945, 707184), (972, 687540), (1008, 662985), (1080, 618786), (1134, 589320), (1215, 550032), (1260, 530388), (1296, 515655), (1458, 458360), (1512, 441990), (1620, 412524), (1637, 408240), (1680, 397791), (1701, 392880), (1890, 353592), (1944, 343770), (2160, 309393), (2268, 294660), (2430, 275016), (2520, 265194), (2835, 235728), (2916, 229180), (3024, 220995), (3240, 206262), (3274, 204120), (3402, 196440), (3645, 183344), (3780, 176796), (3888, 171885), (4536, 147330), (4860, 137508), (4911, 136080), (5040, 132597), (5103, 130960), (5670, 117864), (5832, 114590), (6480, 103131), (6548, 102060), (6804, 98220), (7290, 91672), (7560, 88398), (8185, 81648), (8505, 78576), (9072, 73665), (9720, 68754), (9822, 68040), (10206, 65480), (11340, 58932), (11459, 58320), (11664, 57295), (13096, 51030), (13608, 49110), (14580, 45836), (14733, 45360), (15120, 44199), (16370, 40824), (17010, 39288), (19440, 34377), (19644, 34020), (20412, 32740), (22680, 29466), (22918, 29160), (24555, 27216), (25515, 26192)]