8346420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:625

約数の個数: 72

約数和(自身を含む): 25651080

約数和(自身を除く): 17304660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 521, 534, 801, 890, 1042, 1068, 1335, 1563, 1602, 1780, 2084, 2605, 2670, 3126, 3204, 4005, 4689, 5210, 5340, 6252, 7815, 8010, 9378, 10420, 15630, 16020, 18756, 23445, 31260, 46369, 46890, 92738, 93780, 139107, 185476, 231845, 278214, 417321, 463690, 556428, 695535, 834642, 927380, 1391070, 1669284, 2086605, 2782140, 4173210, 8346420]

約数ペア:

[(1, 8346420), (2, 4173210), (3, 2782140), (4, 2086605), (5, 1669284), (6, 1391070), (9, 927380), (10, 834642), (12, 695535), (15, 556428), (18, 463690), (20, 417321), (30, 278214), (36, 231845), (45, 185476), (60, 139107), (89, 93780), (90, 92738), (178, 46890), (180, 46369), (267, 31260), (356, 23445), (445, 18756), (521, 16020), (534, 15630), (801, 10420), (890, 9378), (1042, 8010), (1068, 7815), (1335, 6252), (1563, 5340), (1602, 5210), (1780, 4689), (2084, 4005), (2605, 3204), (2670, 3126)]