287491680

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{3169}}^1$

素因数の和:3203

約数の個数: 240

約数和(自身を含む): 1159915680

約数和(自身を除く): 872424000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2835, 3024, 3169, 3240, 3360, 3780, 4320, 4536, 5040, 5670, 6048, 6338, 6480, 7560, 9072, 9507, 10080, 11340, 12676, 12960, 15120, 15845, 18144, 19014, 22183, 22680, 25352, 28521, 30240, 31690, 38028, 44366, 45360, 47535, 50704, 57042, 63380, 66549, 76056, 85563, 88732, 90720, 95070, 101408, 110915, 114084, 126760, 133098, 142605, 152112, 171126, 177464, 190140, 199647, 221830, 228168, 253520, 256689, 266196, 285210, 304224, 332745, 342252, 354928, 380280, 399294, 427815, 443660, 456336, 507040, 513378, 532392, 570420, 598941, 665490, 684504, 709856, 760560, 798588, 855630, 887320, 912672, 998235, 1026756, 1064784, 1140840, 1197882, 1283445, 1330980, 1369008, 1521120, 1597176, 1711260, 1774640, 1796823, 1996470, 2053512, 2129568, 2281680, 2395764, 2566890, 2661960, 2738016, 2994705, 3194352, 3422520, 3549280, 3593646, 3992940, 4107024, 4563360, 4791528, 5133780, 5323920, 5989410, 6388704, 6845040, 7187292, 7985880, 8214048, 8984115, 9583056, 10267560, 10647840, 11978820, 13690080, 14374584, 15971760, 17968230, 19166112, 20535120, 23957640, 28749168, 31943520, 35936460, 41070240, 47915280, 57498336, 71872920, 95830560, 143745840, 287491680]

約数ペア:

[(1, 287491680), (2, 143745840), (3, 95830560), (4, 71872920), (5, 57498336), (6, 47915280), (7, 41070240), (8, 35936460), (9, 31943520), (10, 28749168), (12, 23957640), (14, 20535120), (15, 19166112), (16, 17968230), (18, 15971760), (20, 14374584), (21, 13690080), (24, 11978820), (27, 10647840), (28, 10267560), (30, 9583056), (32, 8984115), (35, 8214048), (36, 7985880), (40, 7187292), (42, 6845040), (45, 6388704), (48, 5989410), (54, 5323920), (56, 5133780), (60, 4791528), (63, 4563360), (70, 4107024), (72, 3992940), (80, 3593646), (81, 3549280), (84, 3422520), (90, 3194352), (96, 2994705), (105, 2738016), (108, 2661960), (112, 2566890), (120, 2395764), (126, 2281680), (135, 2129568), (140, 2053512), (144, 1996470), (160, 1796823), (162, 1774640), (168, 1711260), (180, 1597176), (189, 1521120), (210, 1369008), (216, 1330980), (224, 1283445), (240, 1197882), (252, 1140840), (270, 1064784), (280, 1026756), (288, 998235), (315, 912672), (324, 887320), (336, 855630), (360, 798588), (378, 760560), (405, 709856), (420, 684504), (432, 665490), (480, 598941), (504, 570420), (540, 532392), (560, 513378), (567, 507040), (630, 456336), (648, 443660), (672, 427815), (720, 399294), (756, 380280), (810, 354928), (840, 342252), (864, 332745), (945, 304224), (1008, 285210), (1080, 266196), (1120, 256689), (1134, 253520), (1260, 228168), (1296, 221830), (1440, 199647), (1512, 190140), (1620, 177464), (1680, 171126), (1890, 152112), (2016, 142605), (2160, 133098), (2268, 126760), (2520, 114084), (2592, 110915), (2835, 101408), (3024, 95070), (3169, 90720), (3240, 88732), (3360, 85563), (3780, 76056), (4320, 66549), (4536, 63380), (5040, 57042), (5670, 50704), (6048, 47535), (6338, 45360), (6480, 44366), (7560, 38028), (9072, 31690), (9507, 30240), (10080, 28521), (11340, 25352), (12676, 22680), (12960, 22183), (15120, 19014), (15845, 18144)]