256920984

素因数分解:

$2^3\times 3^5\times {\mathrm{283}}^1\times {\mathrm{467}}^1$

素因数の和:771

約数の個数: 96

約数和(自身を含む): 725699520

約数和(自身を除く): 468778536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 283, 324, 467, 486, 566, 648, 849, 934, 972, 1132, 1401, 1698, 1868, 1944, 2264, 2547, 2802, 3396, 3736, 4203, 5094, 5604, 6792, 7641, 8406, 10188, 11208, 12609, 15282, 16812, 20376, 22923, 25218, 30564, 33624, 37827, 45846, 50436, 61128, 68769, 75654, 91692, 100872, 113481, 132161, 137538, 151308, 183384, 226962, 264322, 275076, 302616, 396483, 453924, 528644, 550152, 792966, 907848, 1057288, 1189449, 1585932, 2378898, 3171864, 3568347, 4757796, 7136694, 9515592, 10705041, 14273388, 21410082, 28546776, 32115123, 42820164, 64230246, 85640328, 128460492, 256920984]

約数ペア:

[(1, 256920984), (2, 128460492), (3, 85640328), (4, 64230246), (6, 42820164), (8, 32115123), (9, 28546776), (12, 21410082), (18, 14273388), (24, 10705041), (27, 9515592), (36, 7136694), (54, 4757796), (72, 3568347), (81, 3171864), (108, 2378898), (162, 1585932), (216, 1189449), (243, 1057288), (283, 907848), (324, 792966), (467, 550152), (486, 528644), (566, 453924), (648, 396483), (849, 302616), (934, 275076), (972, 264322), (1132, 226962), (1401, 183384), (1698, 151308), (1868, 137538), (1944, 132161), (2264, 113481), (2547, 100872), (2802, 91692), (3396, 75654), (3736, 68769), (4203, 61128), (5094, 50436), (5604, 45846), (6792, 37827), (7641, 33624), (8406, 30564), (10188, 25218), (11208, 22923), (12609, 20376), (15282, 16812)]