251837280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{61}}^2$

素因数の和:190

約数の個数: 216

約数和(自身を含む): 892303776

約数和(自身を除く): 640466496

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 47, 48, 60, 61, 72, 80, 90, 94, 96, 120, 122, 141, 144, 160, 180, 183, 188, 235, 240, 244, 282, 288, 305, 360, 366, 376, 423, 470, 480, 488, 549, 564, 610, 705, 720, 732, 752, 846, 915, 940, 976, 1098, 1128, 1220, 1410, 1440, 1464, 1504, 1692, 1830, 1880, 1952, 2115, 2196, 2256, 2440, 2745, 2820, 2867, 2928, 3384, 3660, 3721, 3760, 4230, 4392, 4512, 4880, 5490, 5640, 5734, 5856, 6768, 7320, 7442, 7520, 8460, 8601, 8784, 9760, 10980, 11163, 11280, 11468, 13536, 14335, 14640, 14884, 16920, 17202, 17568, 18605, 21960, 22326, 22560, 22936, 25803, 28670, 29280, 29768, 33489, 33840, 34404, 37210, 43005, 43920, 44652, 45872, 51606, 55815, 57340, 59536, 66978, 67680, 68808, 74420, 86010, 87840, 89304, 91744, 103212, 111630, 114680, 119072, 129015, 133956, 137616, 148840, 167445, 172020, 174887, 178608, 206424, 223260, 229360, 258030, 267912, 275232, 297680, 334890, 344040, 349774, 357216, 412848, 446520, 458720, 516060, 524661, 535824, 595360, 669780, 688080, 699548, 825696, 874435, 893040, 1032120, 1049322, 1071648, 1339560, 1376160, 1399096, 1573983, 1748870, 1786080, 2064240, 2098644, 2623305, 2679120, 2798192, 3147966, 3497740, 4128480, 4197288, 5246610, 5358240, 5596384, 6295932, 6995480, 7869915, 8394576, 10493220, 12591864, 13990960, 15739830, 16789152, 20986440, 25183728, 27981920, 31479660, 41972880, 50367456, 62959320, 83945760, 125918640, 251837280]

約数ペア:

[(1, 251837280), (2, 125918640), (3, 83945760), (4, 62959320), (5, 50367456), (6, 41972880), (8, 31479660), (9, 27981920), (10, 25183728), (12, 20986440), (15, 16789152), (16, 15739830), (18, 13990960), (20, 12591864), (24, 10493220), (30, 8394576), (32, 7869915), (36, 6995480), (40, 6295932), (45, 5596384), (47, 5358240), (48, 5246610), (60, 4197288), (61, 4128480), (72, 3497740), (80, 3147966), (90, 2798192), (94, 2679120), (96, 2623305), (120, 2098644), (122, 2064240), (141, 1786080), (144, 1748870), (160, 1573983), (180, 1399096), (183, 1376160), (188, 1339560), (235, 1071648), (240, 1049322), (244, 1032120), (282, 893040), (288, 874435), (305, 825696), (360, 699548), (366, 688080), (376, 669780), (423, 595360), (470, 535824), (480, 524661), (488, 516060), (549, 458720), (564, 446520), (610, 412848), (705, 357216), (720, 349774), (732, 344040), (752, 334890), (846, 297680), (915, 275232), (940, 267912), (976, 258030), (1098, 229360), (1128, 223260), (1220, 206424), (1410, 178608), (1440, 174887), (1464, 172020), (1504, 167445), (1692, 148840), (1830, 137616), (1880, 133956), (1952, 129015), (2115, 119072), (2196, 114680), (2256, 111630), (2440, 103212), (2745, 91744), (2820, 89304), (2867, 87840), (2928, 86010), (3384, 74420), (3660, 68808), (3721, 67680), (3760, 66978), (4230, 59536), (4392, 57340), (4512, 55815), (4880, 51606), (5490, 45872), (5640, 44652), (5734, 43920), (5856, 43005), (6768, 37210), (7320, 34404), (7442, 33840), (7520, 33489), (8460, 29768), (8601, 29280), (8784, 28670), (9760, 25803), (10980, 22936), (11163, 22560), (11280, 22326), (11468, 21960), (13536, 18605), (14335, 17568), (14640, 17202), (14884, 16920)]