787788160

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1187}}^1$

素因数の和:1284

約数の個数: 128

約数和(自身を含む): 2028486240

約数和(自身を除く): 1240698080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 61, 64, 68, 80, 85, 122, 128, 136, 160, 170, 244, 272, 305, 320, 340, 488, 544, 610, 640, 680, 976, 1037, 1088, 1187, 1220, 1360, 1952, 2074, 2176, 2374, 2440, 2720, 3904, 4148, 4748, 4880, 5185, 5440, 5935, 7808, 8296, 9496, 9760, 10370, 10880, 11870, 16592, 18992, 19520, 20179, 20740, 23740, 33184, 37984, 39040, 40358, 41480, 47480, 66368, 72407, 75968, 80716, 82960, 94960, 100895, 132736, 144814, 151936, 161432, 165920, 189920, 201790, 289628, 322864, 331840, 362035, 379840, 403580, 579256, 645728, 663680, 724070, 759680, 807160, 1158512, 1230919, 1291456, 1448140, 1614320, 2317024, 2461838, 2582912, 2896280, 3228640, 4634048, 4923676, 5792560, 6154595, 6457280, 9268096, 9847352, 11585120, 12309190, 12914560, 19694704, 23170240, 24618380, 39389408, 46340480, 49236760, 78778816, 98473520, 157557632, 196947040, 393894080, 787788160]

約数ペア:

[(1, 787788160), (2, 393894080), (4, 196947040), (5, 157557632), (8, 98473520), (10, 78778816), (16, 49236760), (17, 46340480), (20, 39389408), (32, 24618380), (34, 23170240), (40, 19694704), (61, 12914560), (64, 12309190), (68, 11585120), (80, 9847352), (85, 9268096), (122, 6457280), (128, 6154595), (136, 5792560), (160, 4923676), (170, 4634048), (244, 3228640), (272, 2896280), (305, 2582912), (320, 2461838), (340, 2317024), (488, 1614320), (544, 1448140), (610, 1291456), (640, 1230919), (680, 1158512), (976, 807160), (1037, 759680), (1088, 724070), (1187, 663680), (1220, 645728), (1360, 579256), (1952, 403580), (2074, 379840), (2176, 362035), (2374, 331840), (2440, 322864), (2720, 289628), (3904, 201790), (4148, 189920), (4748, 165920), (4880, 161432), (5185, 151936), (5440, 144814), (5935, 132736), (7808, 100895), (8296, 94960), (9496, 82960), (9760, 80716), (10370, 75968), (10880, 72407), (11870, 66368), (16592, 47480), (18992, 41480), (19520, 40358), (20179, 39040), (20740, 37984), (23740, 33184)]