123784560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{171923}}^1$

素因数の和:171942

約数の個数: 60

約数和(自身を含む): 415712232

約数和(自身を除く): 291927672

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 171923, 343846, 515769, 687692, 859615, 1031538, 1375384, 1547307, 1719230, 2063076, 2578845, 2750768, 3094614, 3438460, 4126152, 5157690, 6189228, 6876920, 7736535, 8252304, 10315380, 12378456, 13753840, 15473070, 20630760, 24756912, 30946140, 41261520, 61892280, 123784560]

約数ペア:

[(1, 123784560), (2, 61892280), (3, 41261520), (4, 30946140), (5, 24756912), (6, 20630760), (8, 15473070), (9, 13753840), (10, 12378456), (12, 10315380), (15, 8252304), (16, 7736535), (18, 6876920), (20, 6189228), (24, 5157690), (30, 4126152), (36, 3438460), (40, 3094614), (45, 2750768), (48, 2578845), (60, 2063076), (72, 1719230), (80, 1547307), (90, 1375384), (120, 1031538), (144, 859615), (180, 687692), (240, 515769), (360, 343846), (720, 171923)]