133400320

素因数分解:

$2^8\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1171}}^1$

素因数の和:1281

約数の個数: 72

約数和(自身を含む): 323401680

約数和(自身を除く): 190001360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 256, 320, 356, 445, 640, 712, 890, 1171, 1280, 1424, 1780, 2342, 2848, 3560, 4684, 5696, 5855, 7120, 9368, 11392, 11710, 14240, 18736, 22784, 23420, 28480, 37472, 46840, 56960, 74944, 93680, 104219, 113920, 149888, 187360, 208438, 299776, 374720, 416876, 521095, 749440, 833752, 1042190, 1498880, 1667504, 2084380, 3335008, 4168760, 6670016, 8337520, 13340032, 16675040, 26680064, 33350080, 66700160, 133400320]

約数ペア:

[(1, 133400320), (2, 66700160), (4, 33350080), (5, 26680064), (8, 16675040), (10, 13340032), (16, 8337520), (20, 6670016), (32, 4168760), (40, 3335008), (64, 2084380), (80, 1667504), (89, 1498880), (128, 1042190), (160, 833752), (178, 749440), (256, 521095), (320, 416876), (356, 374720), (445, 299776), (640, 208438), (712, 187360), (890, 149888), (1171, 113920), (1280, 104219), (1424, 93680), (1780, 74944), (2342, 56960), (2848, 46840), (3560, 37472), (4684, 28480), (5696, 23420), (5855, 22784), (7120, 18736), (9368, 14240), (11392, 11710)]