990180672

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:317

約数の個数: 224

約数和(自身を含む): 2971336704

約数和(自身を除く): 1981156032

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 67, 78, 93, 96, 104, 124, 134, 156, 186, 191, 192, 201, 208, 248, 268, 312, 372, 382, 402, 403, 416, 496, 536, 573, 624, 744, 764, 804, 806, 832, 871, 992, 1072, 1146, 1209, 1248, 1488, 1528, 1608, 1612, 1742, 1984, 2077, 2144, 2292, 2418, 2483, 2496, 2613, 2976, 3056, 3216, 3224, 3484, 4154, 4288, 4584, 4836, 4966, 5226, 5921, 5952, 6112, 6231, 6432, 6448, 6968, 7449, 8308, 9168, 9672, 9932, 10452, 11842, 12224, 12462, 12797, 12864, 12896, 13936, 14898, 16616, 17763, 18336, 19344, 19864, 20904, 23684, 24924, 25594, 25792, 27001, 27872, 29796, 33232, 35526, 36672, 38391, 38688, 39728, 41808, 47368, 49848, 51188, 54002, 55744, 59592, 66464, 71052, 76782, 76973, 77376, 79456, 81003, 83616, 94736, 99696, 102376, 108004, 119184, 132928, 142104, 153564, 153946, 158912, 162006, 166361, 167232, 189472, 199392, 204752, 216008, 230919, 238368, 284208, 307128, 307892, 324012, 332722, 378944, 396707, 398784, 409504, 432016, 461838, 476736, 499083, 568416, 614256, 615784, 648024, 665444, 793414, 819008, 864032, 923676, 998166, 1136832, 1190121, 1228512, 1231568, 1296048, 1330888, 1586828, 1728064, 1847352, 1996332, 2380242, 2457024, 2463136, 2592096, 2661776, 3173656, 3694704, 3992664, 4760484, 4926272, 5157191, 5184192, 5323552, 6347312, 7389408, 7985328, 9520968, 10314382, 10647104, 12694624, 14778816, 15471573, 15970656, 19041936, 20628764, 25389248, 30943146, 31941312, 38083872, 41257528, 61886292, 76167744, 82515056, 123772584, 165030112, 247545168, 330060224, 495090336, 990180672]

約数ペア:

[(1, 990180672), (2, 495090336), (3, 330060224), (4, 247545168), (6, 165030112), (8, 123772584), (12, 82515056), (13, 76167744), (16, 61886292), (24, 41257528), (26, 38083872), (31, 31941312), (32, 30943146), (39, 25389248), (48, 20628764), (52, 19041936), (62, 15970656), (64, 15471573), (67, 14778816), (78, 12694624), (93, 10647104), (96, 10314382), (104, 9520968), (124, 7985328), (134, 7389408), (156, 6347312), (186, 5323552), (191, 5184192), (192, 5157191), (201, 4926272), (208, 4760484), (248, 3992664), (268, 3694704), (312, 3173656), (372, 2661776), (382, 2592096), (402, 2463136), (403, 2457024), (416, 2380242), (496, 1996332), (536, 1847352), (573, 1728064), (624, 1586828), (744, 1330888), (764, 1296048), (804, 1231568), (806, 1228512), (832, 1190121), (871, 1136832), (992, 998166), (1072, 923676), (1146, 864032), (1209, 819008), (1248, 793414), (1488, 665444), (1528, 648024), (1608, 615784), (1612, 614256), (1742, 568416), (1984, 499083), (2077, 476736), (2144, 461838), (2292, 432016), (2418, 409504), (2483, 398784), (2496, 396707), (2613, 378944), (2976, 332722), (3056, 324012), (3216, 307892), (3224, 307128), (3484, 284208), (4154, 238368), (4288, 230919), (4584, 216008), (4836, 204752), (4966, 199392), (5226, 189472), (5921, 167232), (5952, 166361), (6112, 162006), (6231, 158912), (6432, 153946), (6448, 153564), (6968, 142104), (7449, 132928), (8308, 119184), (9168, 108004), (9672, 102376), (9932, 99696), (10452, 94736), (11842, 83616), (12224, 81003), (12462, 79456), (12797, 77376), (12864, 76973), (12896, 76782), (13936, 71052), (14898, 66464), (16616, 59592), (17763, 55744), (18336, 54002), (19344, 51188), (19864, 49848), (20904, 47368), (23684, 41808), (24924, 39728), (25594, 38688), (25792, 38391), (27001, 36672), (27872, 35526), (29796, 33232)]