261750754816

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1\times {\mathrm{461}}^1$

素因数の和:1024

約数の個数: 160

約数和(自身を含む): 548820873216

約数和(自身を除く): 287070118400

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 83, 124, 128, 166, 248, 256, 332, 431, 461, 496, 512, 664, 862, 922, 992, 1328, 1724, 1844, 1984, 2573, 2656, 3448, 3688, 3968, 5146, 5312, 6896, 7376, 7936, 10292, 10624, 13361, 13792, 14291, 14752, 15872, 20584, 21248, 26722, 27584, 28582, 29504, 35773, 38263, 41168, 42496, 53444, 55168, 57164, 59008, 71546, 76526, 82336, 106888, 110336, 114328, 118016, 143092, 153052, 164672, 198691, 213776, 220672, 228656, 236032, 286184, 306104, 329344, 397382, 427552, 457312, 572368, 612208, 658688, 794764, 855104, 914624, 1108963, 1144736, 1186153, 1224416, 1317376, 1589528, 1710208, 1829248, 2217926, 2289472, 2372306, 2448832, 3179056, 3420416, 3658496, 4435852, 4578944, 4744612, 4897664, 6159421, 6358112, 6840832, 7316992, 8871704, 9157888, 9489224, 9795328, 12318842, 12716224, 16491353, 17743408, 18315776, 18978448, 19590656, 24637684, 25432448, 32982706, 35486816, 37956896, 49275368, 50864896, 65965412, 70973632, 75913792, 98550736, 101729792, 131930824, 141947264, 151827584, 197101472, 263861648, 283894528, 303655168, 394202944, 511231943, 527723296, 567789056, 607310336, 788405888, 1022463886, 1055446592, 1576811776, 2044927772, 2110893184, 3153623552, 4089855544, 4221786368, 8179711088, 8443572736, 16359422176, 32718844352, 65437688704, 130875377408, 261750754816]

約数ペア:

[(1, 261750754816), (2, 130875377408), (4, 65437688704), (8, 32718844352), (16, 16359422176), (31, 8443572736), (32, 8179711088), (62, 4221786368), (64, 4089855544), (83, 3153623552), (124, 2110893184), (128, 2044927772), (166, 1576811776), (248, 1055446592), (256, 1022463886), (332, 788405888), (431, 607310336), (461, 567789056), (496, 527723296), (512, 511231943), (664, 394202944), (862, 303655168), (922, 283894528), (992, 263861648), (1328, 197101472), (1724, 151827584), (1844, 141947264), (1984, 131930824), (2573, 101729792), (2656, 98550736), (3448, 75913792), (3688, 70973632), (3968, 65965412), (5146, 50864896), (5312, 49275368), (6896, 37956896), (7376, 35486816), (7936, 32982706), (10292, 25432448), (10624, 24637684), (13361, 19590656), (13792, 18978448), (14291, 18315776), (14752, 17743408), (15872, 16491353), (20584, 12716224), (21248, 12318842), (26722, 9795328), (27584, 9489224), (28582, 9157888), (29504, 8871704), (35773, 7316992), (38263, 6840832), (41168, 6358112), (42496, 6159421), (53444, 4897664), (55168, 4744612), (57164, 4578944), (59008, 4435852), (71546, 3658496), (76526, 3420416), (82336, 3179056), (106888, 2448832), (110336, 2372306), (114328, 2289472), (118016, 2217926), (143092, 1829248), (153052, 1710208), (164672, 1589528), (198691, 1317376), (213776, 1224416), (220672, 1186153), (228656, 1144736), (236032, 1108963), (286184, 914624), (306104, 855104), (329344, 794764), (397382, 658688), (427552, 612208), (457312, 572368)]