28407456

素因数分解:

$2^5\times 3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1$

素因数の和:105

約数の個数: 288

約数和(自身を含む): 106868160

約数和(自身を除く): 78460704

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 27, 28, 32, 33, 36, 42, 44, 48, 49, 54, 56, 61, 63, 66, 72, 77, 84, 88, 96, 98, 99, 108, 112, 122, 126, 132, 144, 147, 154, 168, 176, 183, 189, 196, 198, 216, 224, 231, 244, 252, 264, 288, 294, 297, 308, 336, 352, 366, 378, 392, 396, 427, 432, 441, 462, 488, 504, 528, 539, 549, 588, 594, 616, 671, 672, 693, 732, 756, 784, 792, 854, 864, 882, 924, 976, 1008, 1056, 1078, 1098, 1176, 1188, 1232, 1281, 1323, 1342, 1386, 1464, 1512, 1568, 1584, 1617, 1647, 1708, 1764, 1848, 1952, 2013, 2016, 2079, 2156, 2196, 2352, 2376, 2464, 2562, 2646, 2684, 2772, 2928, 2989, 3024, 3168, 3234, 3294, 3416, 3528, 3696, 3843, 4026, 4158, 4312, 4392, 4697, 4704, 4752, 4851, 5124, 5292, 5368, 5544, 5856, 5978, 6039, 6048, 6468, 6588, 6832, 7056, 7392, 7686, 8052, 8316, 8624, 8784, 8967, 9394, 9504, 9702, 10248, 10584, 10736, 11088, 11529, 11956, 12078, 12936, 13176, 13664, 14091, 14112, 14553, 15372, 16104, 16632, 17248, 17568, 17934, 18117, 18788, 19404, 20496, 21168, 21472, 22176, 23058, 23912, 24156, 25872, 26352, 26901, 28182, 29106, 30744, 32208, 32879, 33264, 35868, 36234, 37576, 38808, 40992, 42273, 42336, 46116, 47824, 48312, 51744, 52704, 53802, 56364, 58212, 61488, 64416, 65758, 66528, 71736, 72468, 75152, 77616, 80703, 84546, 92232, 95648, 96624, 98637, 107604, 112728, 116424, 122976, 126819, 131516, 143472, 144936, 150304, 155232, 161406, 169092, 184464, 193248, 197274, 215208, 225456, 232848, 253638, 263032, 286944, 289872, 295911, 322812, 338184, 368928, 394548, 430416, 450912, 465696, 507276, 526064, 579744, 591822, 645624, 676368, 789096, 860832, 887733, 1014552, 1052128, 1183644, 1291248, 1352736, 1578192, 1775466, 2029104, 2367288, 2582496, 3156384, 3550932, 4058208, 4734576, 7101864, 9469152, 14203728, 28407456]

約数ペア:

[(1, 28407456), (2, 14203728), (3, 9469152), (4, 7101864), (6, 4734576), (7, 4058208), (8, 3550932), (9, 3156384), (11, 2582496), (12, 2367288), (14, 2029104), (16, 1775466), (18, 1578192), (21, 1352736), (22, 1291248), (24, 1183644), (27, 1052128), (28, 1014552), (32, 887733), (33, 860832), (36, 789096), (42, 676368), (44, 645624), (48, 591822), (49, 579744), (54, 526064), (56, 507276), (61, 465696), (63, 450912), (66, 430416), (72, 394548), (77, 368928), (84, 338184), (88, 322812), (96, 295911), (98, 289872), (99, 286944), (108, 263032), (112, 253638), (122, 232848), (126, 225456), (132, 215208), (144, 197274), (147, 193248), (154, 184464), (168, 169092), (176, 161406), (183, 155232), (189, 150304), (196, 144936), (198, 143472), (216, 131516), (224, 126819), (231, 122976), (244, 116424), (252, 112728), (264, 107604), (288, 98637), (294, 96624), (297, 95648), (308, 92232), (336, 84546), (352, 80703), (366, 77616), (378, 75152), (392, 72468), (396, 71736), (427, 66528), (432, 65758), (441, 64416), (462, 61488), (488, 58212), (504, 56364), (528, 53802), (539, 52704), (549, 51744), (588, 48312), (594, 47824), (616, 46116), (671, 42336), (672, 42273), (693, 40992), (732, 38808), (756, 37576), (784, 36234), (792, 35868), (854, 33264), (864, 32879), (882, 32208), (924, 30744), (976, 29106), (1008, 28182), (1056, 26901), (1078, 26352), (1098, 25872), (1176, 24156), (1188, 23912), (1232, 23058), (1281, 22176), (1323, 21472), (1342, 21168), (1386, 20496), (1464, 19404), (1512, 18788), (1568, 18117), (1584, 17934), (1617, 17568), (1647, 17248), (1708, 16632), (1764, 16104), (1848, 15372), (1952, 14553), (2013, 14112), (2016, 14091), (2079, 13664), (2156, 13176), (2196, 12936), (2352, 12078), (2376, 11956), (2464, 11529), (2562, 11088), (2646, 10736), (2684, 10584), (2772, 10248), (2928, 9702), (2989, 9504), (3024, 9394), (3168, 8967), (3234, 8784), (3294, 8624), (3416, 8316), (3528, 8052), (3696, 7686), (3843, 7392), (4026, 7056), (4158, 6832), (4312, 6588), (4392, 6468), (4697, 6048), (4704, 6039), (4752, 5978), (4851, 5856), (5124, 5544), (5292, 5368)]