75243420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:497

約数の個数: 216

約数和(自身を含む): 280098000

約数和(自身を除く): 204854580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 49, 57, 60, 63, 70, 76, 84, 90, 95, 98, 105, 114, 126, 133, 140, 147, 171, 180, 190, 196, 210, 228, 245, 252, 266, 285, 294, 315, 342, 380, 399, 420, 441, 449, 490, 532, 570, 588, 630, 665, 684, 735, 798, 855, 882, 898, 931, 980, 1140, 1197, 1260, 1330, 1347, 1470, 1596, 1710, 1764, 1796, 1862, 1995, 2205, 2245, 2394, 2660, 2694, 2793, 2940, 3143, 3420, 3724, 3990, 4041, 4410, 4490, 4655, 4788, 5388, 5586, 5985, 6286, 6735, 7980, 8082, 8379, 8531, 8820, 8980, 9310, 9429, 11172, 11970, 12572, 13470, 13965, 15715, 16164, 16758, 17062, 18620, 18858, 20205, 22001, 23940, 25593, 26940, 27930, 28287, 31430, 33516, 34124, 37716, 40410, 41895, 42655, 44002, 47145, 51186, 55860, 56574, 59717, 62860, 66003, 76779, 80820, 83790, 85310, 88004, 94290, 102372, 110005, 113148, 119434, 127965, 132006, 141435, 153558, 167580, 170620, 179151, 188580, 198009, 220010, 238868, 255930, 264012, 282870, 298585, 307116, 330015, 358302, 383895, 396018, 418019, 440020, 511860, 537453, 565740, 597170, 660030, 716604, 767790, 792036, 836038, 895755, 990045, 1074906, 1194340, 1254057, 1320060, 1535580, 1672076, 1791510, 1980090, 2090095, 2149812, 2508114, 2687265, 3583020, 3762171, 3960180, 4180190, 5016228, 5374530, 6270285, 7524342, 8360380, 10749060, 12540570, 15048684, 18810855, 25081140, 37621710, 75243420]

約数ペア:

[(1, 75243420), (2, 37621710), (3, 25081140), (4, 18810855), (5, 15048684), (6, 12540570), (7, 10749060), (9, 8360380), (10, 7524342), (12, 6270285), (14, 5374530), (15, 5016228), (18, 4180190), (19, 3960180), (20, 3762171), (21, 3583020), (28, 2687265), (30, 2508114), (35, 2149812), (36, 2090095), (38, 1980090), (42, 1791510), (45, 1672076), (49, 1535580), (57, 1320060), (60, 1254057), (63, 1194340), (70, 1074906), (76, 990045), (84, 895755), (90, 836038), (95, 792036), (98, 767790), (105, 716604), (114, 660030), (126, 597170), (133, 565740), (140, 537453), (147, 511860), (171, 440020), (180, 418019), (190, 396018), (196, 383895), (210, 358302), (228, 330015), (245, 307116), (252, 298585), (266, 282870), (285, 264012), (294, 255930), (315, 238868), (342, 220010), (380, 198009), (399, 188580), (420, 179151), (441, 170620), (449, 167580), (490, 153558), (532, 141435), (570, 132006), (588, 127965), (630, 119434), (665, 113148), (684, 110005), (735, 102372), (798, 94290), (855, 88004), (882, 85310), (898, 83790), (931, 80820), (980, 76779), (1140, 66003), (1197, 62860), (1260, 59717), (1330, 56574), (1347, 55860), (1470, 51186), (1596, 47145), (1710, 44002), (1764, 42655), (1796, 41895), (1862, 40410), (1995, 37716), (2205, 34124), (2245, 33516), (2394, 31430), (2660, 28287), (2694, 27930), (2793, 26940), (2940, 25593), (3143, 23940), (3420, 22001), (3724, 20205), (3990, 18858), (4041, 18620), (4410, 17062), (4490, 16758), (4655, 16164), (4788, 15715), (5388, 13965), (5586, 13470), (5985, 12572), (6286, 11970), (6735, 11172), (7980, 9429), (8082, 9310), (8379, 8980), (8531, 8820)]