64438740

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13259}}^1$

素因数の和:13283

約数の個数: 72

約数和(自身を含む): 202718880

約数和(自身を除く): 138280140

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, 13259, 26518, 39777, 53036, 66295, 79554, 119331, 132590, 159108, 198885, 238662, 265180, 357993, 397770, 477324, 596655, 715986, 795540, 1073979, 1193310, 1431972, 1789965, 2147958, 2386620, 3221937, 3579930, 4295916, 5369895, 6443874, 7159860, 10739790, 12887748, 16109685, 21479580, 32219370, 64438740]

約数ペア:

[(1, 64438740), (2, 32219370), (3, 21479580), (4, 16109685), (5, 12887748), (6, 10739790), (9, 7159860), (10, 6443874), (12, 5369895), (15, 4295916), (18, 3579930), (20, 3221937), (27, 2386620), (30, 2147958), (36, 1789965), (45, 1431972), (54, 1193310), (60, 1073979), (81, 795540), (90, 715986), (108, 596655), (135, 477324), (162, 397770), (180, 357993), (243, 265180), (270, 238662), (324, 198885), (405, 159108), (486, 132590), (540, 119331), (810, 79554), (972, 66295), (1215, 53036), (1620, 39777), (2430, 26518), (4860, 13259)]