217201680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{301669}}^1$

素因数の和:301688

約数の個数: 60

約数和(自身を含む): 729438060

約数和(自身を除く): 512236380

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, 301669, 603338, 905007, 1206676, 1508345, 1810014, 2413352, 2715021, 3016690, 3620028, 4525035, 4826704, 5430042, 6033380, 7240056, 9050070, 10860084, 12066760, 13575105, 14480112, 18100140, 21720168, 24133520, 27150210, 36200280, 43440336, 54300420, 72400560, 108600840, 217201680]

約数ペア:

[(1, 217201680), (2, 108600840), (3, 72400560), (4, 54300420), (5, 43440336), (6, 36200280), (8, 27150210), (9, 24133520), (10, 21720168), (12, 18100140), (15, 14480112), (16, 13575105), (18, 12066760), (20, 10860084), (24, 9050070), (30, 7240056), (36, 6033380), (40, 5430042), (45, 4826704), (48, 4525035), (60, 3620028), (72, 3016690), (80, 2715021), (90, 2413352), (120, 1810014), (144, 1508345), (180, 1206676), (240, 905007), (360, 603338), (720, 301669)]