72156420

素因数分解:

$2^2\times 3^6\times 5^1\times 7^2\times {\mathrm{101}}^1$

素因数の和:142

約数の個数: 252

約数和(自身を含む): 266897484

約数和(自身を除く): 194741064

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 101, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 202, 210, 243, 245, 252, 270, 294, 303, 315, 324, 378, 404, 405, 420, 441, 486, 490, 505, 540, 567, 588, 606, 630, 707, 729, 735, 756, 810, 882, 909, 945, 972, 980, 1010, 1134, 1212, 1215, 1260, 1323, 1414, 1458, 1470, 1515, 1620, 1701, 1764, 1818, 1890, 2020, 2121, 2205, 2268, 2430, 2646, 2727, 2828, 2835, 2916, 2940, 3030, 3402, 3535, 3636, 3645, 3780, 3969, 4242, 4410, 4545, 4860, 4949, 5103, 5292, 5454, 5670, 6060, 6363, 6615, 6804, 7070, 7290, 7938, 8181, 8484, 8505, 8820, 9090, 9898, 10206, 10605, 10908, 11340, 11907, 12726, 13230, 13635, 14140, 14580, 14847, 15876, 16362, 17010, 18180, 19089, 19796, 19845, 20412, 21210, 23814, 24543, 24745, 25452, 25515, 26460, 27270, 29694, 31815, 32724, 34020, 35721, 38178, 39690, 40905, 42420, 44541, 47628, 49086, 49490, 51030, 54540, 57267, 59388, 59535, 63630, 71442, 73629, 74235, 76356, 79380, 81810, 89082, 95445, 98172, 98980, 102060, 114534, 119070, 122715, 127260, 133623, 142884, 147258, 148470, 163620, 171801, 178164, 178605, 190890, 222705, 229068, 238140, 245430, 267246, 286335, 294516, 296940, 343602, 357210, 368145, 381780, 400869, 445410, 490860, 515403, 534492, 572670, 668115, 687204, 714420, 736290, 801738, 859005, 890820, 1030806, 1145340, 1202607, 1336230, 1472580, 1603476, 1718010, 2004345, 2061612, 2405214, 2577015, 2672460, 3436020, 3607821, 4008690, 4810428, 5154030, 6013035, 7215642, 8017380, 10308060, 12026070, 14431284, 18039105, 24052140, 36078210, 72156420]

約数ペア:

[(1, 72156420), (2, 36078210), (3, 24052140), (4, 18039105), (5, 14431284), (6, 12026070), (7, 10308060), (9, 8017380), (10, 7215642), (12, 6013035), (14, 5154030), (15, 4810428), (18, 4008690), (20, 3607821), (21, 3436020), (27, 2672460), (28, 2577015), (30, 2405214), (35, 2061612), (36, 2004345), (42, 1718010), (45, 1603476), (49, 1472580), (54, 1336230), (60, 1202607), (63, 1145340), (70, 1030806), (81, 890820), (84, 859005), (90, 801738), (98, 736290), (101, 714420), (105, 687204), (108, 668115), (126, 572670), (135, 534492), (140, 515403), (147, 490860), (162, 445410), (180, 400869), (189, 381780), (196, 368145), (202, 357210), (210, 343602), (243, 296940), (245, 294516), (252, 286335), (270, 267246), (294, 245430), (303, 238140), (315, 229068), (324, 222705), (378, 190890), (404, 178605), (405, 178164), (420, 171801), (441, 163620), (486, 148470), (490, 147258), (505, 142884), (540, 133623), (567, 127260), (588, 122715), (606, 119070), (630, 114534), (707, 102060), (729, 98980), (735, 98172), (756, 95445), (810, 89082), (882, 81810), (909, 79380), (945, 76356), (972, 74235), (980, 73629), (1010, 71442), (1134, 63630), (1212, 59535), (1215, 59388), (1260, 57267), (1323, 54540), (1414, 51030), (1458, 49490), (1470, 49086), (1515, 47628), (1620, 44541), (1701, 42420), (1764, 40905), (1818, 39690), (1890, 38178), (2020, 35721), (2121, 34020), (2205, 32724), (2268, 31815), (2430, 29694), (2646, 27270), (2727, 26460), (2828, 25515), (2835, 25452), (2916, 24745), (2940, 24543), (3030, 23814), (3402, 21210), (3535, 20412), (3636, 19845), (3645, 19796), (3780, 19089), (3969, 18180), (4242, 17010), (4410, 16362), (4545, 15876), (4860, 14847), (4949, 14580), (5103, 14140), (5292, 13635), (5454, 13230), (5670, 12726), (6060, 11907), (6363, 11340), (6615, 10908), (6804, 10605), (7070, 10206), (7290, 9898), (7938, 9090), (8181, 8820), (8484, 8505)]