28435860

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{5851}}^1$

素因数の和:5875

約数の個数: 72

約数和(自身を含む): 89465376

約数和(自身を除く): 61029516

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 5851, 11702, 17553, 23404, 29255, 35106, 52659, 58510, 70212, 87765, 105318, 117020, 157977, 175530, 210636, 263295, 315954, 351060, 473931, 526590, 631908, 789885, 947862, 1053180, 1421793, 1579770, 1895724, 2369655, 2843586, 3159540, 4739310, 5687172, 7108965, 9478620, 14217930, 28435860]

約数ペア:

[(1, 28435860), (2, 14217930), (3, 9478620), (4, 7108965), (5, 5687172), (6, 4739310), (9, 3159540), (10, 2843586), (12, 2369655), (15, 1895724), (18, 1579770), (20, 1421793), (27, 1053180), (30, 947862), (36, 789885), (45, 631908), (54, 526590), (60, 473931), (81, 351060), (90, 315954), (108, 263295), (135, 210636), (162, 175530), (180, 157977), (243, 117020), (270, 105318), (324, 87765), (405, 70212), (486, 58510), (540, 52659), (810, 35106), (972, 29255), (1215, 23404), (1620, 17553), (2430, 11702), (4860, 5851)]