291233880

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{12841}}^1$

素因数の和:12871

約数の個数: 160

約数和(自身を含む): 1118795040

約数和(自身を除く): 827561160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 945, 1080, 1134, 1260, 1512, 1620, 1890, 2268, 2520, 2835, 3240, 3780, 4536, 5670, 7560, 11340, 12841, 22680, 25682, 38523, 51364, 64205, 77046, 89887, 102728, 115569, 128410, 154092, 179774, 192615, 231138, 256820, 269661, 308184, 346707, 359548, 385230, 449435, 462276, 513640, 539322, 577845, 693414, 719096, 770460, 808983, 898870, 924552, 1040121, 1078644, 1155690, 1348305, 1386828, 1540920, 1617966, 1733535, 1797740, 2080242, 2157288, 2311380, 2426949, 2696610, 2773656, 3235932, 3467070, 3595480, 4044915, 4160484, 4622760, 4853898, 5200605, 5393220, 6471864, 6934140, 7280847, 8089830, 8320968, 9707796, 10401210, 10786440, 12134745, 13868280, 14561694, 16179660, 19415592, 20802420, 24269490, 29123388, 32359320, 36404235, 41604840, 48538980, 58246776, 72808470, 97077960, 145616940, 291233880]

約数ペア:

[(1, 291233880), (2, 145616940), (3, 97077960), (4, 72808470), (5, 58246776), (6, 48538980), (7, 41604840), (8, 36404235), (9, 32359320), (10, 29123388), (12, 24269490), (14, 20802420), (15, 19415592), (18, 16179660), (20, 14561694), (21, 13868280), (24, 12134745), (27, 10786440), (28, 10401210), (30, 9707796), (35, 8320968), (36, 8089830), (40, 7280847), (42, 6934140), (45, 6471864), (54, 5393220), (56, 5200605), (60, 4853898), (63, 4622760), (70, 4160484), (72, 4044915), (81, 3595480), (84, 3467070), (90, 3235932), (105, 2773656), (108, 2696610), (120, 2426949), (126, 2311380), (135, 2157288), (140, 2080242), (162, 1797740), (168, 1733535), (180, 1617966), (189, 1540920), (210, 1386828), (216, 1348305), (252, 1155690), (270, 1078644), (280, 1040121), (315, 924552), (324, 898870), (360, 808983), (378, 770460), (405, 719096), (420, 693414), (504, 577845), (540, 539322), (567, 513640), (630, 462276), (648, 449435), (756, 385230), (810, 359548), (840, 346707), (945, 308184), (1080, 269661), (1134, 256820), (1260, 231138), (1512, 192615), (1620, 179774), (1890, 154092), (2268, 128410), (2520, 115569), (2835, 102728), (3240, 89887), (3780, 77046), (4536, 64205), (5670, 51364), (7560, 38523), (11340, 25682), (12841, 22680)]