31178700

素因数分解:

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

素因数の和:142

約数の個数: 216

約数和(自身を含む): 115096800

約数和(自身を除く): 83918100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 49, 50, 60, 63, 70, 75, 84, 90, 98, 100, 101, 105, 126, 140, 147, 150, 175, 180, 196, 202, 210, 225, 245, 252, 294, 300, 303, 315, 343, 350, 404, 420, 441, 450, 490, 505, 525, 588, 606, 630, 686, 700, 707, 735, 882, 900, 909, 980, 1010, 1029, 1050, 1212, 1225, 1260, 1372, 1414, 1470, 1515, 1575, 1715, 1764, 1818, 2020, 2058, 2100, 2121, 2205, 2450, 2525, 2828, 2940, 3030, 3087, 3150, 3430, 3535, 3636, 3675, 4116, 4242, 4410, 4545, 4900, 4949, 5050, 5145, 6060, 6174, 6300, 6363, 6860, 7070, 7350, 7575, 8484, 8575, 8820, 9090, 9898, 10100, 10290, 10605, 11025, 12348, 12726, 14140, 14700, 14847, 15150, 15435, 17150, 17675, 18180, 19796, 20580, 21210, 22050, 22725, 24745, 25452, 25725, 29694, 30300, 30870, 31815, 34300, 34643, 35350, 42420, 44100, 44541, 45450, 49490, 51450, 53025, 59388, 61740, 63630, 69286, 70700, 74235, 77175, 89082, 90900, 98980, 102900, 103929, 106050, 123725, 127260, 138572, 148470, 154350, 159075, 173215, 178164, 207858, 212100, 222705, 247450, 296940, 308700, 311787, 318150, 346430, 371175, 415716, 445410, 494900, 519645, 623574, 636300, 692860, 742350, 866075, 890820, 1039290, 1113525, 1247148, 1484700, 1558935, 1732150, 2078580, 2227050, 2598225, 3117870, 3464300, 4454100, 5196450, 6235740, 7794675, 10392900, 15589350, 31178700]

約数ペア:

[(1, 31178700), (2, 15589350), (3, 10392900), (4, 7794675), (5, 6235740), (6, 5196450), (7, 4454100), (9, 3464300), (10, 3117870), (12, 2598225), (14, 2227050), (15, 2078580), (18, 1732150), (20, 1558935), (21, 1484700), (25, 1247148), (28, 1113525), (30, 1039290), (35, 890820), (36, 866075), (42, 742350), (45, 692860), (49, 636300), (50, 623574), (60, 519645), (63, 494900), (70, 445410), (75, 415716), (84, 371175), (90, 346430), (98, 318150), (100, 311787), (101, 308700), (105, 296940), (126, 247450), (140, 222705), (147, 212100), (150, 207858), (175, 178164), (180, 173215), (196, 159075), (202, 154350), (210, 148470), (225, 138572), (245, 127260), (252, 123725), (294, 106050), (300, 103929), (303, 102900), (315, 98980), (343, 90900), (350, 89082), (404, 77175), (420, 74235), (441, 70700), (450, 69286), (490, 63630), (505, 61740), (525, 59388), (588, 53025), (606, 51450), (630, 49490), (686, 45450), (700, 44541), (707, 44100), (735, 42420), (882, 35350), (900, 34643), (909, 34300), (980, 31815), (1010, 30870), (1029, 30300), (1050, 29694), (1212, 25725), (1225, 25452), (1260, 24745), (1372, 22725), (1414, 22050), (1470, 21210), (1515, 20580), (1575, 19796), (1715, 18180), (1764, 17675), (1818, 17150), (2020, 15435), (2058, 15150), (2100, 14847), (2121, 14700), (2205, 14140), (2450, 12726), (2525, 12348), (2828, 11025), (2940, 10605), (3030, 10290), (3087, 10100), (3150, 9898), (3430, 9090), (3535, 8820), (3636, 8575), (3675, 8484), (4116, 7575), (4242, 7350), (4410, 7070), (4545, 6860), (4900, 6363), (4949, 6300), (5050, 6174), (5145, 6060)]