255699760

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{397}}^1$

素因数の和:590

約数の個数: 80

約数和(自身を含む): 609398496

約数和(自身を除く): 353698736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 97, 166, 194, 332, 388, 397, 415, 485, 664, 776, 794, 830, 970, 1328, 1552, 1588, 1660, 1940, 1985, 3176, 3320, 3880, 3970, 6352, 6640, 7760, 7940, 8051, 15880, 16102, 31760, 32204, 32951, 38509, 40255, 64408, 65902, 77018, 80510, 128816, 131804, 154036, 161020, 164755, 192545, 263608, 308072, 322040, 329510, 385090, 527216, 616144, 644080, 659020, 770180, 1318040, 1540360, 2636080, 3080720, 3196247, 6392494, 12784988, 15981235, 25569976, 31962470, 51139952, 63924940, 127849880, 255699760]

約数ペア:

[(1, 255699760), (2, 127849880), (4, 63924940), (5, 51139952), (8, 31962470), (10, 25569976), (16, 15981235), (20, 12784988), (40, 6392494), (80, 3196247), (83, 3080720), (97, 2636080), (166, 1540360), (194, 1318040), (332, 770180), (388, 659020), (397, 644080), (415, 616144), (485, 527216), (664, 385090), (776, 329510), (794, 322040), (830, 308072), (970, 263608), (1328, 192545), (1552, 164755), (1588, 161020), (1660, 154036), (1940, 131804), (1985, 128816), (3176, 80510), (3320, 77018), (3880, 65902), (3970, 64408), (6352, 40255), (6640, 38509), (7760, 32951), (7940, 32204), (8051, 31760), (15880, 16102)]