73645920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:477

約数の個数: 144

約数和(自身を含む): 253562400

約数和(自身を除く): 179916480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 199, 240, 257, 288, 360, 398, 480, 514, 597, 720, 771, 796, 995, 1028, 1194, 1285, 1440, 1542, 1592, 1791, 1990, 2056, 2313, 2388, 2570, 2985, 3084, 3184, 3582, 3855, 3980, 4112, 4626, 4776, 5140, 5970, 6168, 6368, 7164, 7710, 7960, 8224, 8955, 9252, 9552, 10280, 11565, 11940, 12336, 14328, 15420, 15920, 17910, 18504, 19104, 20560, 23130, 23880, 24672, 28656, 30840, 31840, 35820, 37008, 41120, 46260, 47760, 51143, 57312, 61680, 71640, 74016, 92520, 95520, 102286, 123360, 143280, 153429, 185040, 204572, 255715, 286560, 306858, 370080, 409144, 460287, 511430, 613716, 767145, 818288, 920574, 1022860, 1227432, 1534290, 1636576, 1841148, 2045720, 2301435, 2454864, 3068580, 3682296, 4091440, 4602870, 4909728, 6137160, 7364592, 8182880, 9205740, 12274320, 14729184, 18411480, 24548640, 36822960, 73645920]

約数ペア:

[(1, 73645920), (2, 36822960), (3, 24548640), (4, 18411480), (5, 14729184), (6, 12274320), (8, 9205740), (9, 8182880), (10, 7364592), (12, 6137160), (15, 4909728), (16, 4602870), (18, 4091440), (20, 3682296), (24, 3068580), (30, 2454864), (32, 2301435), (36, 2045720), (40, 1841148), (45, 1636576), (48, 1534290), (60, 1227432), (72, 1022860), (80, 920574), (90, 818288), (96, 767145), (120, 613716), (144, 511430), (160, 460287), (180, 409144), (199, 370080), (240, 306858), (257, 286560), (288, 255715), (360, 204572), (398, 185040), (480, 153429), (514, 143280), (597, 123360), (720, 102286), (771, 95520), (796, 92520), (995, 74016), (1028, 71640), (1194, 61680), (1285, 57312), (1440, 51143), (1542, 47760), (1592, 46260), (1791, 41120), (1990, 37008), (2056, 35820), (2313, 31840), (2388, 30840), (2570, 28656), (2985, 24672), (3084, 23880), (3184, 23130), (3582, 20560), (3855, 19104), (3980, 18504), (4112, 17910), (4626, 15920), (4776, 15420), (5140, 14328), (5970, 12336), (6168, 11940), (6368, 11565), (7164, 10280), (7710, 9552), (7960, 9252), (8224, 8955)]