18625680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{8623}}^1$

素因数の和:8645

約数の個数: 80

約数和(自身を含む): 64162560

約数和(自身を除く): 45536880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 8623, 17246, 25869, 34492, 43115, 51738, 68984, 77607, 86230, 103476, 129345, 137968, 155214, 172460, 206952, 232821, 258690, 310428, 344920, 388035, 413904, 465642, 517380, 620856, 689840, 776070, 931284, 1034760, 1164105, 1241712, 1552140, 1862568, 2069520, 2328210, 3104280, 3725136, 4656420, 6208560, 9312840, 18625680]

約数ペア:

[(1, 18625680), (2, 9312840), (3, 6208560), (4, 4656420), (5, 3725136), (6, 3104280), (8, 2328210), (9, 2069520), (10, 1862568), (12, 1552140), (15, 1241712), (16, 1164105), (18, 1034760), (20, 931284), (24, 776070), (27, 689840), (30, 620856), (36, 517380), (40, 465642), (45, 413904), (48, 388035), (54, 344920), (60, 310428), (72, 258690), (80, 232821), (90, 206952), (108, 172460), (120, 155214), (135, 137968), (144, 129345), (180, 103476), (216, 86230), (240, 77607), (270, 68984), (360, 51738), (432, 43115), (540, 34492), (720, 25869), (1080, 17246), (2160, 8623)]