256938937164

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:292

約数の個数: 960

約数和(自身を含む): 905290946560

約数和(自身を除く): 648352009396

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 19, 21, 26, 27, 28, 36, 38, 39, 42, 52, 54, 57, 61, 63, 73, 76, 78, 81, 84, 91, 103, 108, 114, 117, 122, 126, 133, 146, 156, 162, 171, 182, 183, 189, 206, 219, 228, 234, 244, 247, 252, 266, 273, 292, 309, 324, 342, 351, 364, 366, 378, 399, 412, 427, 438, 468, 494, 511, 513, 532, 546, 549, 567, 618, 657, 684, 702, 721, 732, 741, 756, 793, 798, 819, 854, 876, 927, 949, 988, 1022, 1026, 1053, 1092, 1098, 1134, 1159, 1197, 1236, 1281, 1314, 1339, 1387, 1404, 1442, 1482, 1533, 1539, 1586, 1596, 1638, 1647, 1708, 1729, 1854, 1898, 1957, 1971, 2044, 2052, 2106, 2163, 2196, 2223, 2268, 2318, 2379, 2394, 2457, 2562, 2628, 2678, 2774, 2781, 2847, 2884, 2964, 3066, 3078, 3172, 3276, 3294, 3458, 3477, 3591, 3708, 3796, 3843, 3914, 3942, 4017, 4161, 4212, 4326, 4446, 4453, 4599, 4636, 4758, 4788, 4914, 4941, 5124, 5187, 5356, 5548, 5551, 5562, 5694, 5871, 5913, 6132, 6156, 6283, 6489, 6588, 6643, 6669, 6916, 6954, 7137, 7182, 7371, 7519, 7686, 7828, 7884, 8034, 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約数ペア:

[(1, 256938937164), (2, 128469468582), (3, 85646312388), (4, 64234734291), (6, 42823156194), (7, 36705562452), (9, 28548770796), (12, 21411578097), (13, 19764533628), (14, 18352781226), (18, 14274385398), (19, 13523101956), (21, 12235187484), (26, 9882266814), (27, 9516256932), (28, 9176390613), (36, 7137192699), (38, 6761550978), (39, 6588177876), (42, 6117593742), (52, 4941133407), (54, 4758128466), (57, 4507700652), (61, 4212113724), (63, 4078395828), (73, 3519711468), (76, 3380775489), (78, 3294088938), (81, 3172085644), (84, 3058796871), (91, 2823504804), (103, 2494552788), (108, 2379064233), (114, 2253850326), (117, 2196059292), (122, 2106056862), (126, 2039197914), (133, 1931871708), (146, 1759855734), (156, 1647044469), (162, 1586042822), (171, 1502566884), (182, 1411752402), (183, 1404037908), (189, 1359465276), (206, 1247276394), (219, 1173237156), (228, 1126925163), (234, 1098029646), (244, 1053028431), (247, 1040238612), (252, 1019598957), (266, 965935854), (273, 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