128790

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{53}}^1$

素因数の和:75

約数の個数: 48

約数和(自身を含む): 353808

約数和(自身を除く): 225018

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 53, 54, 81, 90, 106, 135, 159, 162, 243, 265, 270, 318, 405, 477, 486, 530, 795, 810, 954, 1215, 1431, 1590, 2385, 2430, 2862, 4293, 4770, 7155, 8586, 12879, 14310, 21465, 25758, 42930, 64395, 128790]

約数ペア:

[(1, 128790), (2, 64395), (3, 42930), (5, 25758), (6, 21465), (9, 14310), (10, 12879), (15, 8586), (18, 7155), (27, 4770), (30, 4293), (45, 2862), (53, 2430), (54, 2385), (81, 1590), (90, 1431), (106, 1215), (135, 954), (159, 810), (162, 795), (243, 530), (265, 486), (270, 477), (318, 405)]