128597220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{487}}^1$

素因数の和:671

約数の個数: 120

約数和(自身を含む): 406722624

約数和(自身を除く): 278125404

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, 163, 180, 270, 324, 326, 405, 487, 489, 540, 652, 810, 815, 974, 978, 1461, 1467, 1620, 1630, 1948, 1956, 2435, 2445, 2922, 2934, 3260, 4383, 4401, 4870, 4890, 5844, 5868, 7305, 7335, 8766, 8802, 9740, 9780, 13149, 13203, 14610, 14670, 17532, 17604, 21915, 22005, 26298, 26406, 29220, 29340, 39447, 43830, 44010, 52596, 52812, 65745, 66015, 78894, 79381, 87660, 88020, 131490, 132030, 157788, 158762, 197235, 238143, 262980, 264060, 317524, 394470, 396905, 476286, 714429, 788940, 793810, 952572, 1190715, 1428858, 1587620, 2143287, 2381430, 2857716, 3572145, 4286574, 4762860, 6429861, 7144290, 8573148, 10716435, 12859722, 14288580, 21432870, 25719444, 32149305, 42865740, 64298610, 128597220]

約数ペア:

[(1, 128597220), (2, 64298610), (3, 42865740), (4, 32149305), (5, 25719444), (6, 21432870), (9, 14288580), (10, 12859722), (12, 10716435), (15, 8573148), (18, 7144290), (20, 6429861), (27, 4762860), (30, 4286574), (36, 3572145), (45, 2857716), (54, 2381430), (60, 2143287), (81, 1587620), (90, 1428858), (108, 1190715), (135, 952572), (162, 793810), (163, 788940), (180, 714429), (270, 476286), (324, 396905), (326, 394470), (405, 317524), (487, 264060), (489, 262980), (540, 238143), (652, 197235), (810, 158762), (815, 157788), (974, 132030), (978, 131490), (1461, 88020), (1467, 87660), (1620, 79381), (1630, 78894), (1948, 66015), (1956, 65745), (2435, 52812), (2445, 52596), (2922, 44010), (2934, 43830), (3260, 39447), (4383, 29340), (4401, 29220), (4870, 26406), (4890, 26298), (5844, 22005), (5868, 21915), (7305, 17604), (7335, 17532), (8766, 14670), (8802, 14610), (9740, 13203), (9780, 13149)]