215271840

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{811}}^1$

素因数の和:915

約数の個数: 192

約数和(自身を含む): 785756160

約数和(自身を除く): 570484320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 79, 80, 84, 96, 105, 112, 120, 140, 158, 160, 168, 210, 224, 237, 240, 280, 316, 336, 395, 420, 474, 480, 553, 560, 632, 672, 790, 811, 840, 948, 1106, 1120, 1185, 1264, 1580, 1622, 1659, 1680, 1896, 2212, 2370, 2433, 2528, 2765, 3160, 3244, 3318, 3360, 3792, 4055, 4424, 4740, 4866, 5530, 5677, 6320, 6488, 6636, 7584, 8110, 8295, 8848, 9480, 9732, 11060, 11354, 12165, 12640, 12976, 13272, 16220, 16590, 17031, 17696, 18960, 19464, 22120, 22708, 24330, 25952, 26544, 28385, 32440, 33180, 34062, 37920, 38928, 44240, 45416, 48660, 53088, 56770, 64069, 64880, 66360, 68124, 77856, 85155, 88480, 90832, 97320, 113540, 128138, 129760, 132720, 136248, 170310, 181664, 192207, 194640, 227080, 256276, 265440, 272496, 320345, 340620, 384414, 389280, 448483, 454160, 512552, 544992, 640690, 681240, 768828, 896966, 908320, 961035, 1025104, 1281380, 1345449, 1362480, 1537656, 1793932, 1922070, 2050208, 2242415, 2562760, 2690898, 2724960, 3075312, 3587864, 3844140, 4484830, 5125520, 5381796, 6150624, 6727245, 7175728, 7688280, 8969660, 10251040, 10763592, 13454490, 14351456, 15376560, 17939320, 21527184, 26908980, 30753120, 35878640, 43054368, 53817960, 71757280, 107635920, 215271840]

約数ペア:

[(1, 215271840), (2, 107635920), (3, 71757280), (4, 53817960), (5, 43054368), (6, 35878640), (7, 30753120), (8, 26908980), (10, 21527184), (12, 17939320), (14, 15376560), (15, 14351456), (16, 13454490), (20, 10763592), (21, 10251040), (24, 8969660), (28, 7688280), (30, 7175728), (32, 6727245), (35, 6150624), (40, 5381796), (42, 5125520), (48, 4484830), (56, 3844140), (60, 3587864), (70, 3075312), (79, 2724960), (80, 2690898), (84, 2562760), (96, 2242415), (105, 2050208), (112, 1922070), (120, 1793932), (140, 1537656), (158, 1362480), (160, 1345449), (168, 1281380), (210, 1025104), (224, 961035), (237, 908320), (240, 896966), (280, 768828), (316, 681240), (336, 640690), (395, 544992), (420, 512552), (474, 454160), (480, 448483), (553, 389280), (560, 384414), (632, 340620), (672, 320345), (790, 272496), (811, 265440), (840, 256276), (948, 227080), (1106, 194640), (1120, 192207), (1185, 181664), (1264, 170310), (1580, 136248), (1622, 132720), (1659, 129760), (1680, 128138), (1896, 113540), (2212, 97320), (2370, 90832), (2433, 88480), (2528, 85155), (2765, 77856), (3160, 68124), (3244, 66360), (3318, 64880), (3360, 64069), (3792, 56770), (4055, 53088), (4424, 48660), (4740, 45416), (4866, 44240), (5530, 38928), (5677, 37920), (6320, 34062), (6488, 33180), (6636, 32440), (7584, 28385), (8110, 26544), (8295, 25952), (8848, 24330), (9480, 22708), (9732, 22120), (11060, 19464), (11354, 18960), (12165, 17696), (12640, 17031), (12976, 16590), (13272, 16220)]