31482990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{59}}^1$

素因数の和:108

約数の個数: 216

約数和(自身を含む): 106437240

約数和(自身を除く): 74954250

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 30, 33, 35, 42, 45, 49, 55, 59, 63, 66, 70, 77, 90, 98, 99, 105, 110, 118, 121, 126, 147, 154, 165, 177, 198, 210, 231, 242, 245, 294, 295, 315, 330, 354, 363, 385, 413, 441, 462, 490, 495, 531, 539, 590, 605, 630, 649, 693, 726, 735, 770, 826, 847, 882, 885, 990, 1062, 1078, 1089, 1155, 1210, 1239, 1298, 1386, 1470, 1617, 1694, 1770, 1815, 1947, 2065, 2178, 2205, 2310, 2478, 2541, 2655, 2695, 2891, 3234, 3245, 3465, 3630, 3717, 3894, 4130, 4235, 4410, 4543, 4851, 5082, 5310, 5390, 5445, 5782, 5841, 5929, 6195, 6490, 6930, 7139, 7434, 7623, 8085, 8470, 8673, 9086, 9702, 9735, 10890, 11682, 11858, 12390, 12705, 13629, 14278, 14455, 15246, 16170, 17346, 17787, 18585, 19470, 21417, 22715, 24255, 25410, 26019, 27258, 28910, 29205, 29645, 31801, 35574, 35695, 37170, 38115, 40887, 42834, 43365, 45430, 48510, 49973, 52038, 53361, 58410, 59290, 63602, 64251, 68145, 71390, 76230, 81774, 86730, 88935, 95403, 99946, 106722, 107085, 128502, 130095, 136290, 149919, 159005, 177870, 190806, 204435, 214170, 249865, 260190, 266805, 286209, 299838, 318010, 321255, 349811, 408870, 449757, 477015, 499730, 533610, 572418, 642510, 699622, 749595, 899514, 954030, 1049433, 1431045, 1499190, 1749055, 2098866, 2248785, 2862090, 3148299, 3498110, 4497570, 5247165, 6296598, 10494330, 15741495, 31482990]

約数ペア:

[(1, 31482990), (2, 15741495), (3, 10494330), (5, 6296598), (6, 5247165), (7, 4497570), (9, 3498110), (10, 3148299), (11, 2862090), (14, 2248785), (15, 2098866), (18, 1749055), (21, 1499190), (22, 1431045), (30, 1049433), (33, 954030), (35, 899514), (42, 749595), (45, 699622), (49, 642510), (55, 572418), (59, 533610), (63, 499730), (66, 477015), (70, 449757), (77, 408870), (90, 349811), (98, 321255), (99, 318010), (105, 299838), (110, 286209), (118, 266805), (121, 260190), (126, 249865), (147, 214170), (154, 204435), (165, 190806), (177, 177870), (198, 159005), (210, 149919), (231, 136290), (242, 130095), (245, 128502), (294, 107085), (295, 106722), (315, 99946), (330, 95403), (354, 88935), (363, 86730), (385, 81774), (413, 76230), (441, 71390), (462, 68145), (490, 64251), (495, 63602), (531, 59290), (539, 58410), (590, 53361), (605, 52038), (630, 49973), (649, 48510), (693, 45430), (726, 43365), (735, 42834), (770, 40887), (826, 38115), (847, 37170), (882, 35695), (885, 35574), (990, 31801), (1062, 29645), (1078, 29205), (1089, 28910), (1155, 27258), (1210, 26019), (1239, 25410), (1298, 24255), (1386, 22715), (1470, 21417), (1617, 19470), (1694, 18585), (1770, 17787), (1815, 17346), (1947, 16170), (2065, 15246), (2178, 14455), (2205, 14278), (2310, 13629), (2478, 12705), (2541, 12390), (2655, 11858), (2695, 11682), (2891, 10890), (3234, 9735), (3245, 9702), (3465, 9086), (3630, 8673), (3717, 8470), (3894, 8085), (4130, 7623), (4235, 7434), (4410, 7139), (4543, 6930), (4851, 6490), (5082, 6195), (5310, 5929), (5390, 5841), (5445, 5782)]