256588488

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1$

素因数の和:332

約数の個数: 192

約数和(自身を含む): 796723200

約数和(自身を除く): 540134712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 31, 36, 37, 39, 52, 62, 72, 74, 78, 93, 104, 111, 117, 124, 148, 156, 186, 222, 234, 239, 248, 279, 296, 312, 333, 372, 403, 444, 468, 478, 481, 558, 666, 717, 744, 806, 888, 936, 956, 962, 1116, 1147, 1209, 1332, 1434, 1443, 1612, 1912, 1924, 2151, 2232, 2294, 2418, 2664, 2868, 2886, 3107, 3224, 3441, 3627, 3848, 4302, 4329, 4588, 4836, 5736, 5772, 6214, 6882, 7254, 7409, 8604, 8658, 8843, 9176, 9321, 9672, 10323, 11544, 12428, 13764, 14508, 14818, 14911, 17208, 17316, 17686, 18642, 20646, 22227, 24856, 26529, 27528, 27963, 29016, 29636, 29822, 34632, 35372, 37284, 41292, 44454, 44733, 53058, 55926, 59272, 59644, 66681, 70744, 74568, 79587, 82584, 88908, 89466, 96317, 106116, 111852, 114959, 119288, 133362, 134199, 159174, 177816, 178932, 192634, 212232, 223704, 229918, 266724, 268398, 274133, 288951, 318348, 344877, 357864, 385268, 459836, 533448, 536796, 548266, 577902, 636696, 689754, 770536, 822399, 866853, 919672, 1034631, 1073592, 1096532, 1155804, 1379508, 1644798, 1733706, 2069262, 2193064, 2311608, 2467197, 2759016, 3289596, 3467412, 3563729, 4138524, 4934394, 6579192, 6934824, 7127458, 8277048, 9868788, 10691187, 14254916, 19737576, 21382374, 28509832, 32073561, 42764748, 64147122, 85529496, 128294244, 256588488]

約数ペア:

[(1, 256588488), (2, 128294244), (3, 85529496), (4, 64147122), (6, 42764748), (8, 32073561), (9, 28509832), (12, 21382374), (13, 19737576), (18, 14254916), (24, 10691187), (26, 9868788), (31, 8277048), (36, 7127458), (37, 6934824), (39, 6579192), (52, 4934394), (62, 4138524), (72, 3563729), (74, 3467412), (78, 3289596), (93, 2759016), (104, 2467197), (111, 2311608), (117, 2193064), (124, 2069262), (148, 1733706), (156, 1644798), (186, 1379508), (222, 1155804), (234, 1096532), (239, 1073592), (248, 1034631), (279, 919672), (296, 866853), (312, 822399), (333, 770536), (372, 689754), (403, 636696), (444, 577902), (468, 548266), (478, 536796), (481, 533448), (558, 459836), (666, 385268), (717, 357864), (744, 344877), (806, 318348), (888, 288951), (936, 274133), (956, 268398), (962, 266724), (1116, 229918), (1147, 223704), (1209, 212232), (1332, 192634), (1434, 178932), (1443, 177816), (1612, 159174), (1912, 134199), (1924, 133362), (2151, 119288), (2232, 114959), (2294, 111852), (2418, 106116), (2664, 96317), (2868, 89466), (2886, 88908), (3107, 82584), (3224, 79587), (3441, 74568), (3627, 70744), (3848, 66681), (4302, 59644), (4329, 59272), (4588, 55926), (4836, 53058), (5736, 44733), (5772, 44454), (6214, 41292), (6882, 37284), (7254, 35372), (7409, 34632), (8604, 29822), (8658, 29636), (8843, 29016), (9176, 27963), (9321, 27528), (9672, 26529), (10323, 24856), (11544, 22227), (12428, 20646), (13764, 18642), (14508, 17686), (14818, 17316), (14911, 17208)]