158721840

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{220447}}^1$

素因数の和:220466

約数の個数: 60

約数和(自身を含む): 533043264

約数和(自身を除く): 374321424

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, 220447, 440894, 661341, 881788, 1102235, 1322682, 1763576, 1984023, 2204470, 2645364, 3306705, 3527152, 3968046, 4408940, 5290728, 6613410, 7936092, 8817880, 9920115, 10581456, 13226820, 15872184, 17635760, 19840230, 26453640, 31744368, 39680460, 52907280, 79360920, 158721840]

約数ペア:

[(1, 158721840), (2, 79360920), (3, 52907280), (4, 39680460), (5, 31744368), (6, 26453640), (8, 19840230), (9, 17635760), (10, 15872184), (12, 13226820), (15, 10581456), (16, 9920115), (18, 8817880), (20, 7936092), (24, 6613410), (30, 5290728), (36, 4408940), (40, 3968046), (45, 3527152), (48, 3306705), (60, 2645364), (72, 2204470), (80, 1984023), (90, 1763576), (120, 1322682), (144, 1102235), (180, 881788), (240, 661341), (360, 440894), (720, 220447)]