664488720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4253}}^1$

素因数の和:4310

約数の個数: 240

約数和(自身を含む): 2633260032

約数和(自身を除く): 1968771312

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 112, 120, 124, 126, 140, 144, 155, 168, 180, 186, 210, 217, 240, 248, 252, 279, 280, 310, 315, 336, 360, 372, 420, 434, 465, 496, 504, 558, 560, 620, 630, 651, 720, 744, 840, 868, 930, 1008, 1085, 1116, 1240, 1260, 1302, 1395, 1488, 1680, 1736, 1860, 1953, 2170, 2232, 2480, 2520, 2604, 2790, 3255, 3472, 3720, 3906, 4253, 4340, 4464, 5040, 5208, 5580, 6510, 7440, 7812, 8506, 8680, 9765, 10416, 11160, 12759, 13020, 15624, 17012, 17360, 19530, 21265, 22320, 25518, 26040, 29771, 31248, 34024, 38277, 39060, 42530, 51036, 52080, 59542, 63795, 68048, 76554, 78120, 85060, 89313, 102072, 119084, 127590, 131843, 148855, 153108, 156240, 170120, 178626, 191385, 204144, 238168, 255180, 263686, 267939, 297710, 306216, 340240, 357252, 382770, 395529, 446565, 476336, 510360, 527372, 535878, 595420, 612432, 659215, 714504, 765540, 791058, 893130, 922901, 1020720, 1054744, 1071756, 1186587, 1190840, 1318430, 1339695, 1429008, 1531080, 1582116, 1786260, 1845802, 1977645, 2109488, 2143512, 2373174, 2381680, 2636860, 2679390, 2768703, 3062160, 3164232, 3572520, 3691604, 3955290, 4287024, 4614505, 4746348, 5273720, 5358780, 5537406, 5932935, 6328464, 7145040, 7383208, 7910580, 8306109, 9229010, 9492696, 10547440, 10717560, 11074812, 11865870, 13843515, 14766416, 15821160, 16612218, 18458020, 18985392, 21435120, 22149624, 23731740, 27687030, 31642320, 33224436, 36916040, 41530545, 44299248, 47463480, 55374060, 66448872, 73832080, 83061090, 94926960, 110748120, 132897744, 166122180, 221496240, 332244360, 664488720]

約数ペア:

[(1, 664488720), (2, 332244360), (3, 221496240), (4, 166122180), (5, 132897744), (6, 110748120), (7, 94926960), (8, 83061090), (9, 73832080), (10, 66448872), (12, 55374060), (14, 47463480), (15, 44299248), (16, 41530545), (18, 36916040), (20, 33224436), (21, 31642320), (24, 27687030), (28, 23731740), (30, 22149624), (31, 21435120), (35, 18985392), (36, 18458020), (40, 16612218), (42, 15821160), (45, 14766416), (48, 13843515), (56, 11865870), (60, 11074812), (62, 10717560), (63, 10547440), (70, 9492696), (72, 9229010), (80, 8306109), (84, 7910580), (90, 7383208), (93, 7145040), (105, 6328464), (112, 5932935), (120, 5537406), (124, 5358780), (126, 5273720), (140, 4746348), (144, 4614505), (155, 4287024), (168, 3955290), (180, 3691604), (186, 3572520), (210, 3164232), (217, 3062160), (240, 2768703), (248, 2679390), (252, 2636860), (279, 2381680), (280, 2373174), (310, 2143512), (315, 2109488), (336, 1977645), (360, 1845802), (372, 1786260), (420, 1582116), (434, 1531080), (465, 1429008), (496, 1339695), (504, 1318430), (558, 1190840), (560, 1186587), (620, 1071756), (630, 1054744), (651, 1020720), (720, 922901), (744, 893130), (840, 791058), (868, 765540), (930, 714504), (1008, 659215), (1085, 612432), (1116, 595420), (1240, 535878), (1260, 527372), (1302, 510360), (1395, 476336), (1488, 446565), (1680, 395529), (1736, 382770), (1860, 357252), (1953, 340240), (2170, 306216), (2232, 297710), (2480, 267939), (2520, 263686), (2604, 255180), (2790, 238168), (3255, 204144), (3472, 191385), (3720, 178626), (3906, 170120), (4253, 156240), (4340, 153108), (4464, 148855), (5040, 131843), (5208, 127590), (5580, 119084), (6510, 102072), (7440, 89313), (7812, 85060), (8506, 78120), (8680, 76554), (9765, 68048), (10416, 63795), (11160, 59542), (12759, 52080), (13020, 51036), (15624, 42530), (17012, 39060), (17360, 38277), (19530, 34024), (21265, 31248), (22320, 29771), (25518, 26040)]