256992336

素因数分解:

$2^4\times 3^2\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{223}}^1$

素因数の和:441

約数の個数: 120

約数和(自身を含む): 740952576

約数和(自身を除く): 483960240

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 53, 72, 106, 144, 151, 159, 212, 223, 302, 318, 424, 446, 453, 477, 604, 636, 669, 848, 892, 906, 954, 1208, 1272, 1338, 1359, 1784, 1812, 1908, 2007, 2416, 2544, 2676, 2718, 3568, 3624, 3816, 4014, 5352, 5436, 7248, 7632, 8003, 8028, 10704, 10872, 11819, 16006, 16056, 21744, 23638, 24009, 32012, 32112, 33673, 35457, 47276, 48018, 64024, 67346, 70914, 72027, 94552, 96036, 101019, 106371, 128048, 134692, 141828, 144054, 189104, 192072, 202038, 212742, 269384, 283656, 288108, 303057, 384144, 404076, 425484, 538768, 567312, 576216, 606114, 808152, 850968, 1152432, 1212228, 1616304, 1701936, 1784669, 2424456, 3569338, 4848912, 5354007, 7138676, 10708014, 14277352, 16062021, 21416028, 28554704, 32124042, 42832056, 64248084, 85664112, 128496168, 256992336]

約数ペア:

[(1, 256992336), (2, 128496168), (3, 85664112), (4, 64248084), (6, 42832056), (8, 32124042), (9, 28554704), (12, 21416028), (16, 16062021), (18, 14277352), (24, 10708014), (36, 7138676), (48, 5354007), (53, 4848912), (72, 3569338), (106, 2424456), (144, 1784669), (151, 1701936), (159, 1616304), (212, 1212228), (223, 1152432), (302, 850968), (318, 808152), (424, 606114), (446, 576216), (453, 567312), (477, 538768), (604, 425484), (636, 404076), (669, 384144), (848, 303057), (892, 288108), (906, 283656), (954, 269384), (1208, 212742), (1272, 202038), (1338, 192072), (1359, 189104), (1784, 144054), (1812, 141828), (1908, 134692), (2007, 128048), (2416, 106371), (2544, 101019), (2676, 96036), (2718, 94552), (3568, 72027), (3624, 70914), (3816, 67346), (4014, 64024), (5352, 48018), (5436, 47276), (7248, 35457), (7632, 33673), (8003, 32112), (8028, 32012), (10704, 24009), (10872, 23638), (11819, 21744), (16006, 16056)]