1310320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1489}}^1$

素因数の和:1513

約数の個数: 40

約数和(自身を含む): 3325680

約数和(自身を除く): 2015360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1489, 2978, 5956, 7445, 11912, 14890, 16379, 23824, 29780, 32758, 59560, 65516, 81895, 119120, 131032, 163790, 262064, 327580, 655160, 1310320]

約数ペア:

[(1, 1310320), (2, 655160), (4, 327580), (5, 262064), (8, 163790), (10, 131032), (11, 119120), (16, 81895), (20, 65516), (22, 59560), (40, 32758), (44, 29780), (55, 23824), (80, 16379), (88, 14890), (110, 11912), (176, 7445), (220, 5956), (440, 2978), (880, 1489)]