68978560

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:288

約数の個数: 128

約数和(自身を含む): 191678400

約数和(自身を除く): 122699840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 89, 112, 128, 140, 160, 173, 178, 224, 280, 320, 346, 356, 445, 448, 560, 623, 640, 692, 712, 865, 890, 896, 1120, 1211, 1246, 1384, 1424, 1730, 1780, 2240, 2422, 2492, 2768, 2848, 3115, 3460, 3560, 4480, 4844, 4984, 5536, 5696, 6055, 6230, 6920, 7120, 9688, 9968, 11072, 11392, 12110, 12460, 13840, 14240, 15397, 19376, 19936, 22144, 24220, 24920, 27680, 28480, 30794, 38752, 39872, 48440, 49840, 55360, 56960, 61588, 76985, 77504, 79744, 96880, 99680, 107779, 110720, 123176, 153970, 155008, 193760, 199360, 215558, 246352, 307940, 387520, 398720, 431116, 492704, 538895, 615880, 775040, 862232, 985408, 1077790, 1231760, 1724464, 1970816, 2155580, 2463520, 3448928, 4311160, 4927040, 6897856, 8622320, 9854080, 13795712, 17244640, 34489280, 68978560]

約数ペア:

[(1, 68978560), (2, 34489280), (4, 17244640), (5, 13795712), (7, 9854080), (8, 8622320), (10, 6897856), (14, 4927040), (16, 4311160), (20, 3448928), (28, 2463520), (32, 2155580), (35, 1970816), (40, 1724464), (56, 1231760), (64, 1077790), (70, 985408), (80, 862232), (89, 775040), (112, 615880), (128, 538895), (140, 492704), (160, 431116), (173, 398720), (178, 387520), (224, 307940), (280, 246352), (320, 215558), (346, 199360), (356, 193760), (445, 155008), (448, 153970), (560, 123176), (623, 110720), (640, 107779), (692, 99680), (712, 96880), (865, 79744), (890, 77504), (896, 76985), (1120, 61588), (1211, 56960), (1246, 55360), (1384, 49840), (1424, 48440), (1730, 39872), (1780, 38752), (2240, 30794), (2422, 28480), (2492, 27680), (2768, 24920), (2848, 24220), (3115, 22144), (3460, 19936), (3560, 19376), (4480, 15397), (4844, 14240), (4984, 13840), (5536, 12460), (5696, 12110), (6055, 11392), (6230, 11072), (6920, 9968), (7120, 9688)]