72400560

素因数分解:

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

素因数の和:301685

約数の個数: 40

約数和(自身を含む): 224442480

約数和(自身を除く): 152041920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 301669, 603338, 905007, 1206676, 1508345, 1810014, 2413352, 3016690, 3620028, 4525035, 4826704, 6033380, 7240056, 9050070, 12066760, 14480112, 18100140, 24133520, 36200280, 72400560]

約数ペア:

[(1, 72400560), (2, 36200280), (3, 24133520), (4, 18100140), (5, 14480112), (6, 12066760), (8, 9050070), (10, 7240056), (12, 6033380), (15, 4826704), (16, 4525035), (20, 3620028), (24, 3016690), (30, 2413352), (40, 1810014), (48, 1508345), (60, 1206676), (80, 905007), (120, 603338), (240, 301669)]