55890

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{23}}^1$

素因数の和:45

約数の個数: 48

約数和(自身を含む): 157248

約数和(自身を除く): 101358

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 81, 90, 115, 135, 138, 162, 207, 230, 243, 270, 345, 405, 414, 486, 621, 690, 810, 1035, 1215, 1242, 1863, 2070, 2430, 3105, 3726, 5589, 6210, 9315, 11178, 18630, 27945, 55890]

約数ペア:

[(1, 55890), (2, 27945), (3, 18630), (5, 11178), (6, 9315), (9, 6210), (10, 5589), (15, 3726), (18, 3105), (23, 2430), (27, 2070), (30, 1863), (45, 1242), (46, 1215), (54, 1035), (69, 810), (81, 690), (90, 621), (115, 486), (135, 414), (138, 405), (162, 345), (207, 270), (230, 243)]