72030840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{85751}}^1$

素因数の和:85772

約数の個数: 64

約数和(自身を含む): 246965760

約数和(自身を除く): 174934920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 85751, 171502, 257253, 343004, 428755, 514506, 600257, 686008, 857510, 1029012, 1200514, 1286265, 1715020, 1800771, 2058024, 2401028, 2572530, 3001285, 3430040, 3601542, 4802056, 5145060, 6002570, 7203084, 9003855, 10290120, 12005140, 14406168, 18007710, 24010280, 36015420, 72030840]

約数ペア:

[(1, 72030840), (2, 36015420), (3, 24010280), (4, 18007710), (5, 14406168), (6, 12005140), (7, 10290120), (8, 9003855), (10, 7203084), (12, 6002570), (14, 5145060), (15, 4802056), (20, 3601542), (21, 3430040), (24, 3001285), (28, 2572530), (30, 2401028), (35, 2058024), (40, 1800771), (42, 1715020), (56, 1286265), (60, 1200514), (70, 1029012), (84, 857510), (105, 686008), (120, 600257), (140, 514506), (168, 428755), (210, 343004), (280, 257253), (420, 171502), (840, 85751)]