71239140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:267

約数の個数: 216

約数和(自身を含む): 258810552

約数和(自身を除く): 187571412

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 41, 42, 45, 49, 60, 63, 70, 82, 84, 90, 98, 105, 123, 126, 140, 147, 164, 180, 196, 197, 205, 210, 245, 246, 252, 287, 294, 315, 369, 394, 410, 420, 441, 490, 492, 574, 588, 591, 615, 630, 735, 738, 788, 820, 861, 882, 980, 985, 1148, 1182, 1230, 1260, 1379, 1435, 1470, 1476, 1722, 1764, 1773, 1845, 1970, 2009, 2205, 2364, 2460, 2583, 2758, 2870, 2940, 2955, 3444, 3546, 3690, 3940, 4018, 4137, 4305, 4410, 5166, 5516, 5740, 5910, 6027, 6895, 7092, 7380, 8036, 8077, 8274, 8610, 8820, 8865, 9653, 10045, 10332, 11820, 12054, 12411, 12915, 13790, 16154, 16548, 17220, 17730, 18081, 19306, 20090, 20685, 24108, 24231, 24822, 25830, 27580, 28959, 30135, 32308, 35460, 36162, 38612, 40180, 40385, 41370, 48265, 48462, 49644, 51660, 56539, 57918, 60270, 62055, 72324, 72693, 80770, 82740, 86877, 90405, 96530, 96924, 113078, 115836, 120540, 121155, 124110, 144795, 145386, 161540, 169617, 173754, 180810, 193060, 226156, 242310, 248220, 282695, 289590, 290772, 339234, 347508, 361620, 363465, 395773, 434385, 484620, 508851, 565390, 579180, 678468, 726930, 791546, 848085, 868770, 1017702, 1130780, 1187319, 1453860, 1583092, 1696170, 1737540, 1978865, 2035404, 2374638, 2544255, 3392340, 3561957, 3957730, 4749276, 5088510, 5936595, 7123914, 7915460, 10177020, 11873190, 14247828, 17809785, 23746380, 35619570, 71239140]

約数ペア:

[(1, 71239140), (2, 35619570), (3, 23746380), (4, 17809785), (5, 14247828), (6, 11873190), (7, 10177020), (9, 7915460), (10, 7123914), (12, 5936595), (14, 5088510), (15, 4749276), (18, 3957730), (20, 3561957), (21, 3392340), (28, 2544255), (30, 2374638), (35, 2035404), (36, 1978865), (41, 1737540), (42, 1696170), (45, 1583092), (49, 1453860), (60, 1187319), (63, 1130780), (70, 1017702), (82, 868770), (84, 848085), (90, 791546), (98, 726930), (105, 678468), (123, 579180), (126, 565390), (140, 508851), (147, 484620), (164, 434385), (180, 395773), (196, 363465), (197, 361620), (205, 347508), (210, 339234), (245, 290772), (246, 289590), (252, 282695), (287, 248220), (294, 242310), (315, 226156), (369, 193060), (394, 180810), (410, 173754), (420, 169617), (441, 161540), (490, 145386), (492, 144795), (574, 124110), (588, 121155), (591, 120540), (615, 115836), (630, 113078), (735, 96924), (738, 96530), (788, 90405), (820, 86877), (861, 82740), (882, 80770), (980, 72693), (985, 72324), (1148, 62055), (1182, 60270), (1230, 57918), (1260, 56539), (1379, 51660), (1435, 49644), (1470, 48462), (1476, 48265), (1722, 41370), (1764, 40385), (1773, 40180), (1845, 38612), (1970, 36162), (2009, 35460), (2205, 32308), (2364, 30135), (2460, 28959), (2583, 27580), (2758, 25830), (2870, 24822), (2940, 24231), (2955, 24108), (3444, 20685), (3546, 20090), (3690, 19306), (3940, 18081), (4018, 17730), (4137, 17220), (4305, 16548), (4410, 16154), (5166, 13790), (5516, 12915), (5740, 12411), (5910, 12054), (6027, 11820), (6895, 10332), (7092, 10045), (7380, 9653), (8036, 8865), (8077, 8820), (8274, 8610)]