321930784

素因数分解:

$2^5\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{179}}^1$

素因数の和:271

約数の個数: 144

約数和(自身を含む): 785998080

約数和(自身を除く): 464067296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 37, 49, 56, 62, 74, 98, 112, 124, 148, 179, 196, 217, 224, 248, 259, 296, 358, 392, 434, 496, 518, 592, 716, 784, 868, 992, 1036, 1147, 1184, 1253, 1432, 1519, 1568, 1736, 1813, 2072, 2294, 2506, 2864, 3038, 3472, 3626, 4144, 4588, 5012, 5549, 5728, 6076, 6623, 6944, 7252, 8029, 8288, 8771, 9176, 10024, 11098, 12152, 13246, 14504, 16058, 17542, 18352, 20048, 22196, 24304, 26492, 29008, 32116, 35084, 36704, 38843, 40096, 44392, 46361, 48608, 52984, 56203, 58016, 64232, 70168, 77686, 88784, 92722, 105968, 112406, 128464, 140336, 155372, 177568, 185444, 205313, 211936, 224812, 256928, 271901, 280672, 310744, 324527, 370888, 410626, 449624, 543802, 621488, 649054, 741776, 821252, 899248, 1087604, 1242976, 1298108, 1437191, 1483552, 1642504, 1798496, 2175208, 2596216, 2874382, 3285008, 4350416, 5192432, 5748764, 6570016, 8700832, 10060337, 10384864, 11497528, 20120674, 22995056, 40241348, 45990112, 80482696, 160965392, 321930784]

約数ペア:

[(1, 321930784), (2, 160965392), (4, 80482696), (7, 45990112), (8, 40241348), (14, 22995056), (16, 20120674), (28, 11497528), (31, 10384864), (32, 10060337), (37, 8700832), (49, 6570016), (56, 5748764), (62, 5192432), (74, 4350416), (98, 3285008), (112, 2874382), (124, 2596216), (148, 2175208), (179, 1798496), (196, 1642504), (217, 1483552), (224, 1437191), (248, 1298108), (259, 1242976), (296, 1087604), (358, 899248), (392, 821252), (434, 741776), (496, 649054), (518, 621488), (592, 543802), (716, 449624), (784, 410626), (868, 370888), (992, 324527), (1036, 310744), (1147, 280672), (1184, 271901), (1253, 256928), (1432, 224812), (1519, 211936), (1568, 205313), (1736, 185444), (1813, 177568), (2072, 155372), (2294, 140336), (2506, 128464), (2864, 112406), (3038, 105968), (3472, 92722), (3626, 88784), (4144, 77686), (4588, 70168), (5012, 64232), (5549, 58016), (5728, 56203), (6076, 52984), (6623, 48608), (6944, 46361), (7252, 44392), (8029, 40096), (8288, 38843), (8771, 36704), (9176, 35084), (10024, 32116), (11098, 29008), (12152, 26492), (13246, 24304), (14504, 22196), (16058, 20048), (17542, 18352)]