128738160

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{19867}}^1$

素因数の和:19892

約数の個数: 100

約数和(自身を含む): 447149208

約数和(自身を除く): 318411048

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 19867, 39734, 59601, 79468, 99335, 119202, 158936, 178803, 198670, 238404, 298005, 317872, 357606, 397340, 476808, 536409, 596010, 715212, 794680, 894015, 953616, 1072818, 1192020, 1430424, 1589360, 1609227, 1788030, 2145636, 2384040, 2682045, 2860848, 3218454, 3576060, 4291272, 4768080, 5364090, 6436908, 7152120, 8046135, 8582544, 10728180, 12873816, 14304240, 16092270, 21456360, 25747632, 32184540, 42912720, 64369080, 128738160]

約数ペア:

[(1, 128738160), (2, 64369080), (3, 42912720), (4, 32184540), (5, 25747632), (6, 21456360), (8, 16092270), (9, 14304240), (10, 12873816), (12, 10728180), (15, 8582544), (16, 8046135), (18, 7152120), (20, 6436908), (24, 5364090), (27, 4768080), (30, 4291272), (36, 3576060), (40, 3218454), (45, 2860848), (48, 2682045), (54, 2384040), (60, 2145636), (72, 1788030), (80, 1609227), (81, 1589360), (90, 1430424), (108, 1192020), (120, 1072818), (135, 953616), (144, 894015), (162, 794680), (180, 715212), (216, 596010), (240, 536409), (270, 476808), (324, 397340), (360, 357606), (405, 317872), (432, 298005), (540, 238404), (648, 198670), (720, 178803), (810, 158936), (1080, 119202), (1296, 99335), (1620, 79468), (2160, 59601), (3240, 39734), (6480, 19867)]