247005720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:347

約数の個数: 256

約数和(自身を含む): 902563200

約数和(自身を除く): 655557480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 73, 78, 90, 104, 108, 117, 120, 130, 135, 146, 156, 180, 195, 216, 219, 234, 241, 260, 270, 292, 312, 351, 360, 365, 390, 438, 468, 482, 520, 540, 584, 585, 657, 702, 723, 730, 780, 876, 936, 949, 964, 1080, 1095, 1170, 1205, 1314, 1404, 1446, 1460, 1560, 1752, 1755, 1898, 1928, 1971, 2169, 2190, 2340, 2410, 2628, 2808, 2847, 2892, 2920, 3133, 3285, 3510, 3615, 3796, 3942, 4338, 4380, 4680, 4745, 4820, 5256, 5694, 5784, 6266, 6507, 6570, 7020, 7230, 7592, 7884, 8541, 8676, 8760, 9399, 9490, 9640, 9855, 10845, 11388, 12532, 13014, 13140, 14040, 14235, 14460, 15665, 15768, 17082, 17352, 17593, 18798, 18980, 19710, 21690, 22776, 25064, 25623, 26028, 26280, 28197, 28470, 28920, 31330, 32535, 34164, 35186, 37596, 37960, 39420, 42705, 43380, 46995, 51246, 52056, 52779, 56394, 56940, 62660, 65070, 68328, 70372, 75192, 78840, 84591, 85410, 86760, 87965, 93990, 102492, 105558, 112788, 113880, 125320, 128115, 130140, 140744, 140985, 158337, 169182, 170820, 175930, 187980, 204984, 211116, 225576, 228709, 256230, 260280, 263895, 281970, 316674, 338364, 341640, 351860, 375960, 422232, 422955, 457418, 475011, 512460, 527790, 563940, 633348, 676728, 686127, 703720, 791685, 845910, 914836, 950022, 1024920, 1055580, 1127880, 1143545, 1266696, 1372254, 1583370, 1691820, 1829672, 1900044, 2058381, 2111160, 2287090, 2375055, 2744508, 3166740, 3383640, 3430635, 3800088, 4116762, 4574180, 4750110, 5489016, 6175143, 6333480, 6861270, 8233524, 9148360, 9500220, 10291905, 12350286, 13722540, 16467048, 19000440, 20583810, 24700572, 27445080, 30875715, 41167620, 49401144, 61751430, 82335240, 123502860, 247005720]

約数ペア:

[(1, 247005720), (2, 123502860), (3, 82335240), (4, 61751430), (5, 49401144), (6, 41167620), (8, 30875715), (9, 27445080), (10, 24700572), (12, 20583810), (13, 19000440), (15, 16467048), (18, 13722540), (20, 12350286), (24, 10291905), (26, 9500220), (27, 9148360), (30, 8233524), (36, 6861270), (39, 6333480), (40, 6175143), (45, 5489016), (52, 4750110), (54, 4574180), (60, 4116762), (65, 3800088), (72, 3430635), (73, 3383640), (78, 3166740), (90, 2744508), (104, 2375055), (108, 2287090), (117, 2111160), (120, 2058381), (130, 1900044), (135, 1829672), (146, 1691820), (156, 1583370), (180, 1372254), (195, 1266696), (216, 1143545), (219, 1127880), (234, 1055580), (241, 1024920), (260, 950022), (270, 914836), (292, 845910), (312, 791685), (351, 703720), (360, 686127), (365, 676728), (390, 633348), (438, 563940), (468, 527790), (482, 512460), (520, 475011), (540, 457418), (584, 422955), (585, 422232), (657, 375960), (702, 351860), (723, 341640), (730, 338364), (780, 316674), (876, 281970), (936, 263895), (949, 260280), (964, 256230), (1080, 228709), (1095, 225576), (1170, 211116), (1205, 204984), (1314, 187980), (1404, 175930), (1446, 170820), (1460, 169182), (1560, 158337), (1752, 140985), (1755, 140744), (1898, 130140), (1928, 128115), (1971, 125320), (2169, 113880), (2190, 112788), (2340, 105558), (2410, 102492), (2628, 93990), (2808, 87965), (2847, 86760), (2892, 85410), (2920, 84591), (3133, 78840), (3285, 75192), (3510, 70372), (3615, 68328), (3796, 65070), (3942, 62660), (4338, 56940), (4380, 56394), (4680, 52779), (4745, 52056), (4820, 51246), (5256, 46995), (5694, 43380), (5784, 42705), (6266, 39420), (6507, 37960), (6570, 37596), (7020, 35186), (7230, 34164), (7592, 32535), (7884, 31330), (8541, 28920), (8676, 28470), (8760, 28197), (9399, 26280), (9490, 26028), (9640, 25623), (9855, 25064), (10845, 22776), (11388, 21690), (12532, 19710), (13014, 18980), (13140, 18798), (14040, 17593), (14235, 17352), (14460, 17082), (15665, 15768)]