72720390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{142589}}^1$

素因数の和:142616

約数の個数: 32

約数和(自身を含む): 184796640

約数和(自身を除く): 112076250

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 142589, 285178, 427767, 712945, 855534, 1425890, 2138835, 2424013, 4277670, 4848026, 7272039, 12120065, 14544078, 24240130, 36360195, 72720390]

約数ペア:

[(1, 72720390), (2, 36360195), (3, 24240130), (5, 14544078), (6, 12120065), (10, 7272039), (15, 4848026), (17, 4277670), (30, 2424013), (34, 2138835), (51, 1425890), (85, 855534), (102, 712945), (170, 427767), (255, 285178), (510, 142589)]