31115700

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1$

素因数の和:487

約数の個数: 216

約数和(自身を含む): 121867200

約数和(自身を除く): 90751500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 25, 28, 30, 33, 35, 36, 42, 44, 45, 50, 55, 60, 63, 66, 70, 75, 77, 84, 90, 99, 100, 105, 110, 126, 132, 140, 150, 154, 165, 175, 180, 198, 210, 220, 225, 231, 252, 275, 300, 308, 315, 330, 350, 385, 396, 420, 449, 450, 462, 495, 525, 550, 630, 660, 693, 700, 770, 825, 898, 900, 924, 990, 1050, 1100, 1155, 1260, 1347, 1386, 1540, 1575, 1650, 1796, 1925, 1980, 2100, 2245, 2310, 2475, 2694, 2772, 3143, 3150, 3300, 3465, 3850, 4041, 4490, 4620, 4939, 4950, 5388, 5775, 6286, 6300, 6735, 6930, 7700, 8082, 8980, 9429, 9878, 9900, 11225, 11550, 12572, 13470, 13860, 14817, 15715, 16164, 17325, 18858, 19756, 20205, 22450, 23100, 24695, 26940, 28287, 29634, 31430, 33675, 34573, 34650, 37716, 40410, 44451, 44900, 47145, 49390, 56574, 59268, 62860, 67350, 69146, 69300, 74085, 78575, 80820, 88902, 94290, 98780, 101025, 103719, 113148, 123475, 134700, 138292, 141435, 148170, 157150, 172865, 177804, 188580, 202050, 207438, 222255, 235725, 246950, 282870, 296340, 311157, 314300, 345730, 370425, 404100, 414876, 444510, 471450, 493900, 518595, 565740, 622314, 691460, 707175, 740850, 864325, 889020, 942900, 1037190, 1111275, 1244628, 1414350, 1481700, 1555785, 1728650, 2074380, 2222550, 2592975, 2828700, 3111570, 3457300, 4445100, 5185950, 6223140, 7778925, 10371900, 15557850, 31115700]

約数ペア:

[(1, 31115700), (2, 15557850), (3, 10371900), (4, 7778925), (5, 6223140), (6, 5185950), (7, 4445100), (9, 3457300), (10, 3111570), (11, 2828700), (12, 2592975), (14, 2222550), (15, 2074380), (18, 1728650), (20, 1555785), (21, 1481700), (22, 1414350), (25, 1244628), (28, 1111275), (30, 1037190), (33, 942900), (35, 889020), (36, 864325), (42, 740850), (44, 707175), (45, 691460), (50, 622314), (55, 565740), (60, 518595), (63, 493900), (66, 471450), (70, 444510), (75, 414876), (77, 404100), (84, 370425), (90, 345730), (99, 314300), (100, 311157), (105, 296340), (110, 282870), (126, 246950), (132, 235725), (140, 222255), (150, 207438), (154, 202050), (165, 188580), (175, 177804), (180, 172865), (198, 157150), (210, 148170), (220, 141435), (225, 138292), (231, 134700), (252, 123475), (275, 113148), (300, 103719), (308, 101025), (315, 98780), (330, 94290), (350, 88902), (385, 80820), (396, 78575), (420, 74085), (449, 69300), (450, 69146), (462, 67350), (495, 62860), (525, 59268), (550, 56574), (630, 49390), (660, 47145), (693, 44900), (700, 44451), (770, 40410), (825, 37716), (898, 34650), (900, 34573), (924, 33675), (990, 31430), (1050, 29634), (1100, 28287), (1155, 26940), (1260, 24695), (1347, 23100), (1386, 22450), (1540, 20205), (1575, 19756), (1650, 18858), (1796, 17325), (1925, 16164), (1980, 15715), (2100, 14817), (2245, 13860), (2310, 13470), (2475, 12572), (2694, 11550), (2772, 11225), (3143, 9900), (3150, 9878), (3300, 9429), (3465, 8980), (3850, 8082), (4041, 7700), (4490, 6930), (4620, 6735), (4939, 6300), (4950, 6286), (5388, 5775)]