215139120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1621}}^1$

素因数の和:1723

約数の個数: 160

約数和(自身を含む): 772331520

約数和(自身を除く): 557192400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 79, 80, 84, 105, 112, 120, 140, 158, 168, 210, 237, 240, 280, 316, 336, 395, 420, 474, 553, 560, 632, 790, 840, 948, 1106, 1185, 1264, 1580, 1621, 1659, 1680, 1896, 2212, 2370, 2765, 3160, 3242, 3318, 3792, 4424, 4740, 4863, 5530, 6320, 6484, 6636, 8105, 8295, 8848, 9480, 9726, 11060, 11347, 12968, 13272, 16210, 16590, 18960, 19452, 22120, 22694, 24315, 25936, 26544, 32420, 33180, 34041, 38904, 44240, 45388, 48630, 56735, 64840, 66360, 68082, 77808, 90776, 97260, 113470, 128059, 129680, 132720, 136164, 170205, 181552, 194520, 226940, 256118, 272328, 340410, 384177, 389040, 453880, 512236, 544656, 640295, 680820, 768354, 896413, 907760, 1024472, 1280590, 1361640, 1536708, 1792826, 1920885, 2048944, 2561180, 2689239, 2723280, 3073416, 3585652, 3841770, 4482065, 5122360, 5378478, 6146832, 7171304, 7683540, 8964130, 10244720, 10756956, 13446195, 14342608, 15367080, 17928260, 21513912, 26892390, 30734160, 35856520, 43027824, 53784780, 71713040, 107569560, 215139120]

約数ペア:

[(1, 215139120), (2, 107569560), (3, 71713040), (4, 53784780), (5, 43027824), (6, 35856520), (7, 30734160), (8, 26892390), (10, 21513912), (12, 17928260), (14, 15367080), (15, 14342608), (16, 13446195), (20, 10756956), (21, 10244720), (24, 8964130), (28, 7683540), (30, 7171304), (35, 6146832), (40, 5378478), (42, 5122360), (48, 4482065), (56, 3841770), (60, 3585652), (70, 3073416), (79, 2723280), (80, 2689239), (84, 2561180), (105, 2048944), (112, 1920885), (120, 1792826), (140, 1536708), (158, 1361640), (168, 1280590), (210, 1024472), (237, 907760), (240, 896413), (280, 768354), (316, 680820), (336, 640295), (395, 544656), (420, 512236), (474, 453880), (553, 389040), (560, 384177), (632, 340410), (790, 272328), (840, 256118), (948, 226940), (1106, 194520), (1185, 181552), (1264, 170205), (1580, 136164), (1621, 132720), (1659, 129680), (1680, 128059), (1896, 113470), (2212, 97260), (2370, 90776), (2765, 77808), (3160, 68082), (3242, 66360), (3318, 64840), (3792, 56735), (4424, 48630), (4740, 45388), (4863, 44240), (5530, 38904), (6320, 34041), (6484, 33180), (6636, 32420), (8105, 26544), (8295, 25936), (8848, 24315), (9480, 22694), (9726, 22120), (11060, 19452), (11347, 18960), (12968, 16590), (13272, 16210)]