28320840

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{8741}}^1$

素因数の和:8764

約数の個数: 80

約数和(自身を含む): 95200380

約数和(自身を除く): 66879540

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 8741, 17482, 26223, 34964, 43705, 52446, 69928, 78669, 87410, 104892, 131115, 157338, 174820, 209784, 236007, 262230, 314676, 349640, 393345, 472014, 524460, 629352, 708021, 786690, 944028, 1048920, 1180035, 1416042, 1573380, 1888056, 2360070, 2832084, 3146760, 3540105, 4720140, 5664168, 7080210, 9440280, 14160420, 28320840]

約数ペア:

[(1, 28320840), (2, 14160420), (3, 9440280), (4, 7080210), (5, 5664168), (6, 4720140), (8, 3540105), (9, 3146760), (10, 2832084), (12, 2360070), (15, 1888056), (18, 1573380), (20, 1416042), (24, 1180035), (27, 1048920), (30, 944028), (36, 786690), (40, 708021), (45, 629352), (54, 524460), (60, 472014), (72, 393345), (81, 349640), (90, 314676), (108, 262230), (120, 236007), (135, 209784), (162, 174820), (180, 157338), (216, 131115), (270, 104892), (324, 87410), (360, 78669), (405, 69928), (540, 52446), (648, 43705), (810, 34964), (1080, 26223), (1620, 17482), (3240, 8741)]