668811276

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{443}}^1\times {\mathrm{1997}}^1$

素因数の和:2460

約数の個数: 96

約数和(自身を含む): 1987130880

約数和(自身を除く): 1318319604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 443, 756, 886, 1329, 1772, 1997, 2658, 3101, 3987, 3994, 5316, 5991, 6202, 7974, 7988, 9303, 11961, 11982, 12404, 13979, 15948, 17973, 18606, 23922, 23964, 27909, 27958, 35946, 37212, 41937, 47844, 53919, 55818, 55916, 71892, 83727, 83874, 107838, 111636, 125811, 167454, 167748, 215676, 251622, 334908, 377433, 503244, 754866, 884671, 1509732, 1769342, 2654013, 3538684, 5308026, 6192697, 7962039, 10616052, 12385394, 15924078, 18578091, 23886117, 24770788, 31848156, 37156182, 47772234, 55734273, 74312364, 95544468, 111468546, 167202819, 222937092, 334405638, 668811276]

約数ペア:

[(1, 668811276), (2, 334405638), (3, 222937092), (4, 167202819), (6, 111468546), (7, 95544468), (9, 74312364), (12, 55734273), (14, 47772234), (18, 37156182), (21, 31848156), (27, 24770788), (28, 23886117), (36, 18578091), (42, 15924078), (54, 12385394), (63, 10616052), (84, 7962039), (108, 6192697), (126, 5308026), (189, 3538684), (252, 2654013), (378, 1769342), (443, 1509732), (756, 884671), (886, 754866), (1329, 503244), (1772, 377433), (1997, 334908), (2658, 251622), (3101, 215676), (3987, 167748), (3994, 167454), (5316, 125811), (5991, 111636), (6202, 107838), (7974, 83874), (7988, 83727), (9303, 71892), (11961, 55916), (11982, 55818), (12404, 53919), (13979, 47844), (15948, 41937), (17973, 37212), (18606, 35946), (23922, 27958), (23964, 27909)]