990807888

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:489

約数の個数: 160

約数和(自身を含む): 2993459200

約数和(自身を除く): 2002651312

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 79, 84, 112, 158, 163, 168, 229, 237, 316, 326, 336, 458, 474, 489, 553, 632, 652, 687, 916, 948, 978, 1106, 1141, 1264, 1304, 1374, 1603, 1659, 1832, 1896, 1956, 2212, 2282, 2608, 2748, 3206, 3318, 3423, 3664, 3792, 3912, 4424, 4564, 4809, 5496, 6412, 6636, 6846, 7824, 8848, 9128, 9618, 10992, 12824, 12877, 13272, 13692, 18091, 18256, 19236, 25648, 25754, 26544, 27384, 36182, 37327, 38472, 38631, 51508, 54273, 54768, 72364, 74654, 76944, 77262, 90139, 103016, 108546, 111981, 126637, 144728, 149308, 154524, 180278, 206032, 217092, 223962, 253274, 261289, 270417, 289456, 298616, 309048, 360556, 379911, 434184, 447924, 506548, 522578, 540834, 597232, 618096, 721112, 759822, 783867, 868368, 895848, 1013096, 1045156, 1081668, 1442224, 1519644, 1567734, 1791696, 2026192, 2090312, 2163336, 2948833, 3039288, 3135468, 4180624, 4326672, 5897666, 6078576, 6270936, 8846499, 11795332, 12541872, 17692998, 20641831, 23590664, 35385996, 41283662, 47181328, 61925493, 70771992, 82567324, 123850986, 141543984, 165134648, 247701972, 330269296, 495403944, 990807888]

約数ペア:

[(1, 990807888), (2, 495403944), (3, 330269296), (4, 247701972), (6, 165134648), (7, 141543984), (8, 123850986), (12, 82567324), (14, 70771992), (16, 61925493), (21, 47181328), (24, 41283662), (28, 35385996), (42, 23590664), (48, 20641831), (56, 17692998), (79, 12541872), (84, 11795332), (112, 8846499), (158, 6270936), (163, 6078576), (168, 5897666), (229, 4326672), (237, 4180624), (316, 3135468), (326, 3039288), (336, 2948833), (458, 2163336), (474, 2090312), (489, 2026192), (553, 1791696), (632, 1567734), (652, 1519644), (687, 1442224), (916, 1081668), (948, 1045156), (978, 1013096), (1106, 895848), (1141, 868368), (1264, 783867), (1304, 759822), (1374, 721112), (1603, 618096), (1659, 597232), (1832, 540834), (1896, 522578), (1956, 506548), (2212, 447924), (2282, 434184), (2608, 379911), (2748, 360556), (3206, 309048), (3318, 298616), (3423, 289456), (3664, 270417), (3792, 261289), (3912, 253274), (4424, 223962), (4564, 217092), (4809, 206032), (5496, 180278), (6412, 154524), (6636, 149308), (6846, 144728), (7824, 126637), (8848, 111981), (9128, 108546), (9618, 103016), (10992, 90139), (12824, 77262), (12877, 76944), (13272, 74654), (13692, 72364), (18091, 54768), (18256, 54273), (19236, 51508), (25648, 38631), (25754, 38472), (26544, 37327), (27384, 36182)]