278976744

素因数分解:

$2^3\times 3^3\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{521}}^1$

素因数の和:640

約数の個数: 128

約数和(自身を含む): 809308800

約数和(自身を除く): 530332056

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 37, 54, 67, 72, 74, 108, 111, 134, 148, 201, 216, 222, 268, 296, 333, 402, 444, 521, 536, 603, 666, 804, 888, 999, 1042, 1206, 1332, 1563, 1608, 1809, 1998, 2084, 2412, 2479, 2664, 3126, 3618, 3996, 4168, 4689, 4824, 4958, 6252, 7236, 7437, 7992, 9378, 9916, 12504, 14067, 14472, 14874, 18756, 19277, 19832, 22311, 28134, 29748, 34907, 37512, 38554, 44622, 56268, 57831, 59496, 66933, 69814, 77108, 89244, 104721, 112536, 115662, 133866, 139628, 154216, 173493, 178488, 209442, 231324, 267732, 279256, 314163, 346986, 418884, 462648, 520479, 535464, 628326, 693972, 837768, 942489, 1040958, 1256652, 1291559, 1387944, 1884978, 2081916, 2513304, 2583118, 3769956, 3874677, 4163832, 5166236, 7539912, 7749354, 10332472, 11624031, 15498708, 23248062, 30997416, 34872093, 46496124, 69744186, 92992248, 139488372, 278976744]

約数ペア:

[(1, 278976744), (2, 139488372), (3, 92992248), (4, 69744186), (6, 46496124), (8, 34872093), (9, 30997416), (12, 23248062), (18, 15498708), (24, 11624031), (27, 10332472), (36, 7749354), (37, 7539912), (54, 5166236), (67, 4163832), (72, 3874677), (74, 3769956), (108, 2583118), (111, 2513304), (134, 2081916), (148, 1884978), (201, 1387944), (216, 1291559), (222, 1256652), (268, 1040958), (296, 942489), (333, 837768), (402, 693972), (444, 628326), (521, 535464), (536, 520479), (603, 462648), (666, 418884), (804, 346986), (888, 314163), (999, 279256), (1042, 267732), (1206, 231324), (1332, 209442), (1563, 178488), (1608, 173493), (1809, 154216), (1998, 139628), (2084, 133866), (2412, 115662), (2479, 112536), (2664, 104721), (3126, 89244), (3618, 77108), (3996, 69814), (4168, 66933), (4689, 59496), (4824, 57831), (4958, 56268), (6252, 44622), (7236, 38554), (7437, 37512), (7992, 34907), (9378, 29748), (9916, 28134), (12504, 22311), (14067, 19832), (14472, 19277), (14874, 18756)]