305281920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:285

約数の個数: 256

約数和(自身を含む): 1057536000

約数和(自身を除く): 752254080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 47, 48, 51, 60, 64, 68, 80, 85, 94, 96, 102, 120, 128, 136, 141, 160, 170, 188, 192, 199, 204, 235, 240, 255, 272, 282, 320, 340, 376, 384, 398, 408, 470, 480, 510, 544, 564, 597, 640, 680, 705, 752, 796, 799, 816, 940, 960, 995, 1020, 1088, 1128, 1194, 1360, 1410, 1504, 1592, 1598, 1632, 1880, 1920, 1990, 2040, 2176, 2256, 2388, 2397, 2720, 2820, 2985, 3008, 3184, 3196, 3264, 3383, 3760, 3980, 3995, 4080, 4512, 4776, 4794, 5440, 5640, 5970, 6016, 6368, 6392, 6528, 6766, 7520, 7960, 7990, 8160, 9024, 9353, 9552, 9588, 10149, 10880, 11280, 11940, 11985, 12736, 12784, 13532, 15040, 15920, 15980, 16320, 16915, 18048, 18706, 19104, 19176, 20298, 22560, 23880, 23970, 25472, 25568, 27064, 28059, 30080, 31840, 31960, 32640, 33830, 37412, 38208, 38352, 40596, 45120, 46765, 47760, 47940, 50745, 51136, 54128, 56118, 63680, 63920, 67660, 74824, 76416, 76704, 81192, 90240, 93530, 95520, 95880, 101490, 102272, 108256, 112236, 127360, 127840, 135320, 140295, 149648, 153408, 159001, 162384, 187060, 191040, 191760, 202980, 216512, 224472, 255680, 270640, 280590, 299296, 306816, 318002, 324768, 374120, 382080, 383520, 405960, 433024, 448944, 477003, 511360, 541280, 561180, 598592, 636004, 649536, 748240, 767040, 795005, 811920, 897888, 954006, 1082560, 1122360, 1197184, 1272008, 1299072, 1496480, 1534080, 1590010, 1623840, 1795776, 1908012, 2165120, 2244720, 2385015, 2544016, 2992960, 3180020, 3247680, 3591552, 3816024, 4489440, 4770030, 5088032, 5985920, 6360040, 6495360, 7632048, 8978880, 9540060, 10176064, 12720080, 15264096, 17957760, 19080120, 20352128, 25440160, 30528192, 38160240, 50880320, 61056384, 76320480, 101760640, 152640960, 305281920]

約数ペア:

[(1, 305281920), (2, 152640960), (3, 101760640), (4, 76320480), (5, 61056384), (6, 50880320), (8, 38160240), (10, 30528192), (12, 25440160), (15, 20352128), (16, 19080120), (17, 17957760), (20, 15264096), (24, 12720080), (30, 10176064), (32, 9540060), (34, 8978880), (40, 7632048), (47, 6495360), (48, 6360040), (51, 5985920), (60, 5088032), (64, 4770030), (68, 4489440), (80, 3816024), (85, 3591552), (94, 3247680), (96, 3180020), (102, 2992960), (120, 2544016), (128, 2385015), (136, 2244720), (141, 2165120), (160, 1908012), (170, 1795776), (188, 1623840), (192, 1590010), (199, 1534080), (204, 1496480), (235, 1299072), (240, 1272008), (255, 1197184), (272, 1122360), (282, 1082560), (320, 954006), (340, 897888), (376, 811920), (384, 795005), (398, 767040), (408, 748240), (470, 649536), (480, 636004), (510, 598592), (544, 561180), (564, 541280), (597, 511360), (640, 477003), (680, 448944), (705, 433024), (752, 405960), (796, 383520), (799, 382080), (816, 374120), (940, 324768), (960, 318002), (995, 306816), (1020, 299296), (1088, 280590), (1128, 270640), (1194, 255680), (1360, 224472), (1410, 216512), (1504, 202980), (1592, 191760), (1598, 191040), (1632, 187060), (1880, 162384), (1920, 159001), (1990, 153408), (2040, 149648), (2176, 140295), (2256, 135320), (2388, 127840), (2397, 127360), (2720, 112236), (2820, 108256), (2985, 102272), (3008, 101490), (3184, 95880), (3196, 95520), (3264, 93530), (3383, 90240), (3760, 81192), (3980, 76704), (3995, 76416), (4080, 74824), (4512, 67660), (4776, 63920), (4794, 63680), (5440, 56118), (5640, 54128), (5970, 51136), (6016, 50745), (6368, 47940), (6392, 47760), (6528, 46765), (6766, 45120), (7520, 40596), (7960, 38352), (7990, 38208), (8160, 37412), (9024, 33830), (9353, 32640), (9552, 31960), (9588, 31840), (10149, 30080), (10880, 28059), (11280, 27064), (11940, 25568), (11985, 25472), (12736, 23970), (12784, 23880), (13532, 22560), (15040, 20298), (15920, 19176), (15980, 19104), (16320, 18706), (16915, 18048)]