320991840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1319}}^1$

素因数の和:1366

約数の個数: 216

約数和(自身を含む): 1187025840

約数和(自身を除く): 866034000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 169, 180, 195, 208, 234, 240, 260, 288, 312, 338, 360, 390, 416, 468, 480, 507, 520, 585, 624, 676, 720, 780, 845, 936, 1014, 1040, 1170, 1248, 1319, 1352, 1440, 1521, 1560, 1690, 1872, 2028, 2080, 2340, 2535, 2638, 2704, 3042, 3120, 3380, 3744, 3957, 4056, 4680, 5070, 5276, 5408, 6084, 6240, 6595, 6760, 7605, 7914, 8112, 9360, 10140, 10552, 11871, 12168, 13190, 13520, 15210, 15828, 16224, 17147, 18720, 19785, 20280, 21104, 23742, 24336, 26380, 27040, 30420, 31656, 34294, 39570, 40560, 42208, 47484, 48672, 51441, 52760, 59355, 60840, 63312, 68588, 79140, 81120, 85735, 94968, 102882, 105520, 118710, 121680, 126624, 137176, 154323, 158280, 171470, 189936, 205764, 211040, 222911, 237420, 243360, 257205, 274352, 308646, 316560, 342940, 379872, 411528, 445822, 474840, 514410, 548704, 617292, 633120, 668733, 685880, 771615, 823056, 891644, 949680, 1028820, 1114555, 1234584, 1337466, 1371760, 1543230, 1646112, 1783288, 1899360, 2006199, 2057640, 2229110, 2469168, 2674932, 2743520, 3086460, 3343665, 3566576, 4012398, 4115280, 4458220, 4938336, 5349864, 6172920, 6687330, 7133152, 8024796, 8230560, 8916440, 10030995, 10699728, 12345840, 13374660, 16049592, 17832880, 20061990, 21399456, 24691680, 26749320, 32099184, 35665760, 40123980, 53498640, 64198368, 80247960, 106997280, 160495920, 320991840]

約数ペア:

[(1, 320991840), (2, 160495920), (3, 106997280), (4, 80247960), (5, 64198368), (6, 53498640), (8, 40123980), (9, 35665760), (10, 32099184), (12, 26749320), (13, 24691680), (15, 21399456), (16, 20061990), (18, 17832880), (20, 16049592), (24, 13374660), (26, 12345840), (30, 10699728), (32, 10030995), (36, 8916440), (39, 8230560), (40, 8024796), (45, 7133152), (48, 6687330), (52, 6172920), (60, 5349864), (65, 4938336), (72, 4458220), (78, 4115280), (80, 4012398), (90, 3566576), (96, 3343665), (104, 3086460), (117, 2743520), (120, 2674932), (130, 2469168), (144, 2229110), (156, 2057640), (160, 2006199), (169, 1899360), (180, 1783288), (195, 1646112), (208, 1543230), (234, 1371760), (240, 1337466), (260, 1234584), (288, 1114555), (312, 1028820), (338, 949680), (360, 891644), (390, 823056), (416, 771615), (468, 685880), (480, 668733), (507, 633120), (520, 617292), (585, 548704), (624, 514410), (676, 474840), (720, 445822), (780, 411528), (845, 379872), (936, 342940), (1014, 316560), (1040, 308646), (1170, 274352), (1248, 257205), (1319, 243360), (1352, 237420), (1440, 222911), (1521, 211040), (1560, 205764), (1690, 189936), (1872, 171470), (2028, 158280), (2080, 154323), (2340, 137176), (2535, 126624), (2638, 121680), (2704, 118710), (3042, 105520), (3120, 102882), (3380, 94968), (3744, 85735), (3957, 81120), (4056, 79140), (4680, 68588), (5070, 63312), (5276, 60840), (5408, 59355), (6084, 52760), (6240, 51441), (6595, 48672), (6760, 47484), (7605, 42208), (7914, 40560), (8112, 39570), (9360, 34294), (10140, 31656), (10552, 30420), (11871, 27040), (12168, 26380), (13190, 24336), (13520, 23742), (15210, 21104), (15828, 20280), (16224, 19785), (17147, 18720)]