256257408

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:181

約数の個数: 256

約数和(自身を含む): 814694400

約数和(自身を除く): 558436992

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 24, 31, 32, 33, 38, 44, 48, 57, 62, 64, 66, 76, 88, 93, 96, 103, 114, 124, 128, 132, 152, 176, 186, 192, 206, 209, 228, 248, 264, 304, 309, 341, 352, 372, 384, 412, 418, 456, 496, 528, 589, 608, 618, 627, 682, 704, 744, 824, 836, 912, 992, 1023, 1056, 1133, 1178, 1216, 1236, 1254, 1364, 1408, 1488, 1648, 1672, 1767, 1824, 1957, 1984, 2046, 2112, 2266, 2356, 2432, 2472, 2508, 2728, 2976, 3193, 3296, 3344, 3399, 3534, 3648, 3914, 3968, 4092, 4224, 4532, 4712, 4944, 5016, 5456, 5871, 5952, 6386, 6479, 6592, 6688, 6798, 7068, 7296, 7828, 8184, 9064, 9424, 9579, 9888, 10032, 10912, 11742, 11904, 12772, 12958, 13184, 13376, 13596, 14136, 15656, 16368, 18128, 18848, 19158, 19437, 19776, 20064, 21527, 21824, 23484, 25544, 25916, 26752, 27192, 28272, 31312, 32736, 35123, 36256, 37696, 38316, 38874, 39552, 40128, 43054, 43648, 46968, 51088, 51832, 54384, 56544, 60667, 62624, 64581, 65472, 70246, 72512, 75392, 76632, 77748, 80256, 86108, 93936, 102176, 103664, 105369, 108768, 113088, 121334, 125248, 129162, 130944, 140492, 145024, 153264, 155496, 172216, 182001, 187872, 204352, 207328, 210738, 217536, 226176, 242668, 250496, 258324, 280984, 306528, 310992, 344432, 364002, 375744, 408704, 414656, 421476, 435072, 485336, 516648, 561968, 613056, 621984, 667337, 688864, 728004, 751488, 829312, 842952, 970672, 1033296, 1123936, 1226112, 1243968, 1334674, 1377728, 1456008, 1685904, 1941344, 2002011, 2066592, 2247872, 2487936, 2669348, 2755456, 2912016, 3371808, 3882688, 4004022, 4133184, 4495744, 5338696, 5824032, 6743616, 7765376, 8008044, 8266368, 10677392, 11648064, 13487232, 16016088, 21354784, 23296128, 32032176, 42709568, 64064352, 85419136, 128128704, 256257408]

約数ペア:

[(1, 256257408), (2, 128128704), (3, 85419136), (4, 64064352), (6, 42709568), (8, 32032176), (11, 23296128), (12, 21354784), (16, 16016088), (19, 13487232), (22, 11648064), (24, 10677392), (31, 8266368), (32, 8008044), (33, 7765376), (38, 6743616), (44, 5824032), (48, 5338696), (57, 4495744), (62, 4133184), (64, 4004022), (66, 3882688), (76, 3371808), (88, 2912016), (93, 2755456), (96, 2669348), (103, 2487936), (114, 2247872), (124, 2066592), (128, 2002011), (132, 1941344), (152, 1685904), (176, 1456008), (186, 1377728), (192, 1334674), (206, 1243968), (209, 1226112), (228, 1123936), (248, 1033296), (264, 970672), (304, 842952), (309, 829312), (341, 751488), (352, 728004), (372, 688864), (384, 667337), (412, 621984), (418, 613056), (456, 561968), (496, 516648), (528, 485336), (589, 435072), (608, 421476), (618, 414656), (627, 408704), (682, 375744), (704, 364002), (744, 344432), (824, 310992), (836, 306528), (912, 280984), (992, 258324), (1023, 250496), (1056, 242668), (1133, 226176), (1178, 217536), (1216, 210738), (1236, 207328), (1254, 204352), (1364, 187872), (1408, 182001), (1488, 172216), (1648, 155496), (1672, 153264), (1767, 145024), (1824, 140492), (1957, 130944), (1984, 129162), (2046, 125248), (2112, 121334), (2266, 113088), (2356, 108768), (2432, 105369), (2472, 103664), (2508, 102176), (2728, 93936), (2976, 86108), (3193, 80256), (3296, 77748), (3344, 76632), (3399, 75392), (3534, 72512), (3648, 70246), (3914, 65472), (3968, 64581), (4092, 62624), (4224, 60667), (4532, 56544), (4712, 54384), (4944, 51832), (5016, 51088), (5456, 46968), (5871, 43648), (5952, 43054), (6386, 40128), (6479, 39552), (6592, 38874), (6688, 38316), (6798, 37696), (7068, 36256), (7296, 35123), (7828, 32736), (8184, 31312), (9064, 28272), (9424, 27192), (9579, 26752), (9888, 25916), (10032, 25544), (10912, 23484), (11742, 21824), (11904, 21527), (12772, 20064), (12958, 19776), (13184, 19437), (13376, 19158), (13596, 18848), (14136, 18128), (15656, 16368)]