256281600

素因数分解:

$2^{10}\times 3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:151

約数の個数: 264

約数和(自身を含む): 877229568

約数和(自身を除く): 620947968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 47, 48, 50, 60, 64, 71, 75, 80, 94, 96, 100, 120, 128, 141, 142, 150, 160, 188, 192, 200, 213, 235, 240, 256, 282, 284, 300, 320, 355, 376, 384, 400, 426, 470, 480, 512, 564, 568, 600, 640, 705, 710, 752, 768, 800, 852, 940, 960, 1024, 1065, 1128, 1136, 1175, 1200, 1280, 1410, 1420, 1504, 1536, 1600, 1704, 1775, 1880, 1920, 2130, 2256, 2272, 2350, 2400, 2560, 2820, 2840, 3008, 3072, 3200, 3337, 3408, 3525, 3550, 3760, 3840, 4260, 4512, 4544, 4700, 4800, 5120, 5325, 5640, 5680, 6016, 6400, 6674, 6816, 7050, 7100, 7520, 7680, 8520, 9024, 9088, 9400, 9600, 10011, 10650, 11280, 11360, 12032, 12800, 13348, 13632, 14100, 14200, 15040, 15360, 16685, 17040, 18048, 18176, 18800, 19200, 20022, 21300, 22560, 22720, 24064, 25600, 26696, 27264, 28200, 28400, 30080, 33370, 34080, 36096, 36352, 37600, 38400, 40044, 42600, 45120, 45440, 48128, 50055, 53392, 54528, 56400, 56800, 60160, 66740, 68160, 72192, 72704, 75200, 76800, 80088, 83425, 85200, 90240, 90880, 100110, 106784, 109056, 112800, 113600, 120320, 133480, 136320, 144384, 150400, 160176, 166850, 170400, 180480, 181760, 200220, 213568, 218112, 225600, 227200, 240640, 250275, 266960, 272640, 300800, 320352, 333700, 340800, 360960, 363520, 400440, 427136, 451200, 454400, 500550, 533920, 545280, 601600, 640704, 667400, 681600, 721920, 800880, 854272, 902400, 908800, 1001100, 1067840, 1090560, 1203200, 1281408, 1334800, 1363200, 1601760, 1708544, 1804800, 1817600, 2002200, 2135680, 2562816, 2669600, 2726400, 3203520, 3417088, 3609600, 4004400, 4271360, 5125632, 5339200, 5452800, 6407040, 8008800, 8542720, 10251264, 10678400, 12814080, 16017600, 17085440, 21356800, 25628160, 32035200, 42713600, 51256320, 64070400, 85427200, 128140800, 256281600]

約数ペア:

[(1, 256281600), (2, 128140800), (3, 85427200), (4, 64070400), (5, 51256320), (6, 42713600), (8, 32035200), (10, 25628160), (12, 21356800), (15, 17085440), (16, 16017600), (20, 12814080), (24, 10678400), (25, 10251264), (30, 8542720), (32, 8008800), (40, 6407040), (47, 5452800), (48, 5339200), (50, 5125632), (60, 4271360), (64, 4004400), (71, 3609600), (75, 3417088), (80, 3203520), (94, 2726400), (96, 2669600), (100, 2562816), (120, 2135680), (128, 2002200), (141, 1817600), (142, 1804800), (150, 1708544), (160, 1601760), (188, 1363200), (192, 1334800), (200, 1281408), (213, 1203200), (235, 1090560), (240, 1067840), (256, 1001100), (282, 908800), (284, 902400), (300, 854272), (320, 800880), (355, 721920), (376, 681600), (384, 667400), (400, 640704), (426, 601600), (470, 545280), (480, 533920), (512, 500550), (564, 454400), (568, 451200), (600, 427136), (640, 400440), (705, 363520), (710, 360960), (752, 340800), (768, 333700), (800, 320352), (852, 300800), (940, 272640), (960, 266960), (1024, 250275), (1065, 240640), (1128, 227200), (1136, 225600), (1175, 218112), (1200, 213568), (1280, 200220), (1410, 181760), (1420, 180480), (1504, 170400), (1536, 166850), (1600, 160176), (1704, 150400), (1775, 144384), (1880, 136320), (1920, 133480), (2130, 120320), (2256, 113600), (2272, 112800), (2350, 109056), (2400, 106784), (2560, 100110), (2820, 90880), (2840, 90240), (3008, 85200), (3072, 83425), (3200, 80088), (3337, 76800), (3408, 75200), (3525, 72704), (3550, 72192), (3760, 68160), (3840, 66740), (4260, 60160), (4512, 56800), (4544, 56400), (4700, 54528), (4800, 53392), (5120, 50055), (5325, 48128), (5640, 45440), (5680, 45120), (6016, 42600), (6400, 40044), (6674, 38400), (6816, 37600), (7050, 36352), (7100, 36096), (7520, 34080), (7680, 33370), (8520, 30080), (9024, 28400), (9088, 28200), (9400, 27264), (9600, 26696), (10011, 25600), (10650, 24064), (11280, 22720), (11360, 22560), (12032, 21300), (12800, 20022), (13348, 19200), (13632, 18800), (14100, 18176), (14200, 18048), (15040, 17040), (15360, 16685)]