28438680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{881}}^1$

素因数の和:1164

約数の個数: 64

約数和(自身を含む): 85730400

約数和(自身を除く): 57291720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 269, 538, 807, 881, 1076, 1345, 1614, 1762, 2152, 2643, 2690, 3228, 3524, 4035, 4405, 5286, 5380, 6456, 7048, 8070, 8810, 10572, 10760, 13215, 16140, 17620, 21144, 26430, 32280, 35240, 52860, 105720, 236989, 473978, 710967, 947956, 1184945, 1421934, 1895912, 2369890, 2843868, 3554835, 4739780, 5687736, 7109670, 9479560, 14219340, 28438680]

約数ペア:

[(1, 28438680), (2, 14219340), (3, 9479560), (4, 7109670), (5, 5687736), (6, 4739780), (8, 3554835), (10, 2843868), (12, 2369890), (15, 1895912), (20, 1421934), (24, 1184945), (30, 947956), (40, 710967), (60, 473978), (120, 236989), (269, 105720), (538, 52860), (807, 35240), (881, 32280), (1076, 26430), (1345, 21144), (1614, 17620), (1762, 16140), (2152, 13215), (2643, 10760), (2690, 10572), (3228, 8810), (3524, 8070), (4035, 7048), (4405, 6456), (5286, 5380)]