320657688

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:306

約数の個数: 192

約数和(自身を含む): 985944960

約数和(自身を除く): 665287272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 37, 39, 47, 52, 72, 74, 78, 94, 104, 111, 117, 141, 148, 156, 188, 197, 222, 234, 282, 296, 312, 333, 376, 394, 423, 444, 468, 481, 564, 591, 611, 666, 788, 846, 888, 936, 962, 1128, 1182, 1222, 1332, 1443, 1576, 1692, 1739, 1773, 1833, 1924, 2364, 2444, 2561, 2664, 2886, 3384, 3478, 3546, 3666, 3848, 4329, 4728, 4888, 5122, 5217, 5499, 5772, 6956, 7092, 7289, 7332, 7683, 8658, 9259, 10244, 10434, 10998, 11544, 13912, 14184, 14578, 14664, 15366, 15651, 17316, 18518, 20488, 20868, 21867, 21996, 22607, 23049, 27777, 29156, 30732, 31302, 34632, 37036, 41736, 43734, 43992, 45214, 46098, 55554, 58312, 61464, 62604, 65601, 67821, 74072, 83331, 87468, 90428, 92196, 94757, 111108, 120367, 125208, 131202, 135642, 166662, 174936, 180856, 184392, 189514, 203463, 222216, 240734, 262404, 271284, 284271, 333324, 342583, 361101, 379028, 406926, 481468, 524808, 542568, 568542, 666648, 685166, 722202, 758056, 813852, 852813, 962936, 1027749, 1083303, 1137084, 1370332, 1444404, 1627704, 1705626, 2055498, 2166606, 2274168, 2740664, 2888808, 3083247, 3411252, 4110996, 4333212, 4453579, 6166494, 6822504, 8221992, 8666424, 8907158, 12332988, 13360737, 17814316, 24665976, 26721474, 35628632, 40082211, 53442948, 80164422, 106885896, 160328844, 320657688]

約数ペア:

[(1, 320657688), (2, 160328844), (3, 106885896), (4, 80164422), (6, 53442948), (8, 40082211), (9, 35628632), (12, 26721474), (13, 24665976), (18, 17814316), (24, 13360737), (26, 12332988), (36, 8907158), (37, 8666424), (39, 8221992), (47, 6822504), (52, 6166494), (72, 4453579), (74, 4333212), (78, 4110996), (94, 3411252), (104, 3083247), (111, 2888808), (117, 2740664), (141, 2274168), (148, 2166606), (156, 2055498), (188, 1705626), (197, 1627704), (222, 1444404), (234, 1370332), (282, 1137084), (296, 1083303), (312, 1027749), (333, 962936), (376, 852813), (394, 813852), (423, 758056), (444, 722202), (468, 685166), (481, 666648), (564, 568542), (591, 542568), (611, 524808), (666, 481468), (788, 406926), (846, 379028), (888, 361101), (936, 342583), (962, 333324), (1128, 284271), (1182, 271284), (1222, 262404), (1332, 240734), (1443, 222216), (1576, 203463), (1692, 189514), (1739, 184392), (1773, 180856), (1833, 174936), (1924, 166662), (2364, 135642), (2444, 131202), (2561, 125208), (2664, 120367), (2886, 111108), (3384, 94757), (3478, 92196), (3546, 90428), (3666, 87468), (3848, 83331), (4329, 74072), (4728, 67821), (4888, 65601), (5122, 62604), (5217, 61464), (5499, 58312), (5772, 55554), (6956, 46098), (7092, 45214), (7289, 43992), (7332, 43734), (7683, 41736), (8658, 37036), (9259, 34632), (10244, 31302), (10434, 30732), (10998, 29156), (11544, 27777), (13912, 23049), (14184, 22607), (14578, 21996), (14664, 21867), (15366, 20868), (15651, 20488), (17316, 18518)]