321690320640

素因数分解:

$2^8\times 3^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1153}}^1$

素因数の和:1228

約数の個数: 1008

約数和(自身を含む): 1299383652672

約数和(自身を除く): 977693332032

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 23, 24, 26, 27, 30, 32, 36, 39, 40, 45, 46, 48, 52, 54, 60, 64, 65, 69, 72, 78, 80, 81, 90, 92, 96, 104, 108, 115, 117, 120, 128, 130, 135, 138, 144, 156, 160, 162, 180, 184, 192, 195, 207, 208, 216, 230, 234, 240, 243, 256, 260, 270, 276, 288, 299, 312, 320, 324, 345, 351, 360, 368, 384, 390, 405, 414, 416, 432, 460, 468, 480, 486, 520, 540, 552, 576, 585, 598, 621, 624, 640, 648, 690, 702, 720, 729, 736, 768, 780, 810, 828, 832, 864, 897, 920, 936, 960, 972, 1035, 1040, 1053, 1080, 1104, 1152, 1153, 1170, 1196, 1215, 1242, 1248, 1280, 1296, 1380, 1404, 1440, 1458, 1472, 1495, 1560, 1620, 1656, 1664, 1728, 1755, 1794, 1840, 1863, 1872, 1920, 1944, 2070, 2080, 2106, 2160, 2208, 2304, 2306, 2340, 2392, 2430, 2484, 2496, 2592, 2691, 2760, 2808, 2880, 2916, 2944, 2990, 3105, 3120, 3159, 3240, 3312, 3328, 3456, 3459, 3510, 3588, 3645, 3680, 3726, 3744, 3840, 3888, 4140, 4160, 4212, 4320, 4416, 4485, 4612, 4680, 4784, 4860, 4968, 4992, 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約数ペア:

[(1, 321690320640), (2, 160845160320), (3, 107230106880), (4, 80422580160), (5, 64338064128), (6, 53615053440), (8, 40211290080), (9, 35743368960), (10, 32169032064), (12, 26807526720), (13, 24745409280), (15, 21446021376), (16, 20105645040), (18, 17871684480), (20, 16084516032), (23, 13986535680), (24, 13403763360), (26, 12372704640), (27, 11914456320), (30, 10723010688), (32, 10052822520), (36, 8935842240), (39, 8248469760), (40, 8042258016), (45, 7148673792), (46, 6993267840), (48, 6701881680), (52, 6186352320), (54, 5957228160), (60, 5361505344), (64, 5026411260), (65, 4949081856), (69, 4662178560), (72, 4467921120), (78, 4124234880), (80, 4021129008), (81, 3971485440), (90, 3574336896), (92, 3496633920), (96, 3350940840), (104, 3093176160), (108, 2978614080), (115, 2797307136), (117, 2749489920), (120, 2680752672), (128, 2513205630), (130, 2474540928), (135, 2382891264), (138, 2331089280), (144, 2233960560), (156, 2062117440), (160, 2010564504), (162, 1985742720), (180, 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