261523512

素因数分解:

$2^3\times 3^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1063}}^1$

素因数の和:1162

約数の個数: 128

約数和(自身を含む): 781401600

約数和(自身を除く): 519878088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 51, 54, 67, 68, 72, 102, 108, 134, 136, 153, 201, 204, 216, 268, 306, 402, 408, 459, 536, 603, 612, 804, 918, 1063, 1139, 1206, 1224, 1608, 1809, 1836, 2126, 2278, 2412, 3189, 3417, 3618, 3672, 4252, 4556, 4824, 6378, 6834, 7236, 8504, 9112, 9567, 10251, 12756, 13668, 14472, 18071, 19134, 20502, 25512, 27336, 28701, 30753, 36142, 38268, 41004, 54213, 57402, 61506, 71221, 72284, 76536, 82008, 108426, 114804, 123012, 142442, 144568, 162639, 213663, 216852, 229608, 246024, 284884, 325278, 427326, 433704, 487917, 569768, 640989, 650556, 854652, 975834, 1210757, 1281978, 1301112, 1709304, 1922967, 1951668, 2421514, 2563956, 3632271, 3845934, 3903336, 4843028, 5127912, 7264542, 7691868, 9686056, 10896813, 14529084, 15383736, 21793626, 29058168, 32690439, 43587252, 65380878, 87174504, 130761756, 261523512]

約数ペア:

[(1, 261523512), (2, 130761756), (3, 87174504), (4, 65380878), (6, 43587252), (8, 32690439), (9, 29058168), (12, 21793626), (17, 15383736), (18, 14529084), (24, 10896813), (27, 9686056), (34, 7691868), (36, 7264542), (51, 5127912), (54, 4843028), (67, 3903336), (68, 3845934), (72, 3632271), (102, 2563956), (108, 2421514), (134, 1951668), (136, 1922967), (153, 1709304), (201, 1301112), (204, 1281978), (216, 1210757), (268, 975834), (306, 854652), (402, 650556), (408, 640989), (459, 569768), (536, 487917), (603, 433704), (612, 427326), (804, 325278), (918, 284884), (1063, 246024), (1139, 229608), (1206, 216852), (1224, 213663), (1608, 162639), (1809, 144568), (1836, 142442), (2126, 123012), (2278, 114804), (2412, 108426), (3189, 82008), (3417, 76536), (3618, 72284), (3672, 71221), (4252, 61506), (4556, 57402), (4824, 54213), (6378, 41004), (6834, 38268), (7236, 36142), (8504, 30753), (9112, 28701), (9567, 27336), (10251, 25512), (12756, 20502), (13668, 19134), (14472, 18071)]