1285655140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6277}}^1$

素因数の和:6330

約数の個数: 144

約数和(自身を含む): 3607087680

約数和(自身を除く): 2321432540

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 49, 55, 70, 76, 77, 95, 98, 110, 133, 140, 154, 190, 196, 209, 220, 245, 266, 308, 380, 385, 418, 490, 532, 539, 665, 770, 836, 931, 980, 1045, 1078, 1330, 1463, 1540, 1862, 2090, 2156, 2660, 2695, 2926, 3724, 4180, 4655, 5390, 5852, 6277, 7315, 9310, 10241, 10780, 12554, 14630, 18620, 20482, 25108, 29260, 31385, 40964, 43939, 51205, 62770, 69047, 87878, 102410, 119263, 125540, 138094, 175756, 204820, 219695, 238526, 276188, 307573, 345235, 439390, 477052, 483329, 596315, 615146, 690470, 834841, 878780, 966658, 1192630, 1230292, 1311893, 1380940, 1537865, 1669682, 1933316, 2385260, 2416645, 2623786, 3075730, 3339364, 3383303, 4174205, 4833290, 5247572, 5843887, 6151460, 6559465, 6766606, 8348410, 9183251, 9666580, 11687774, 13118930, 13533212, 16696820, 16916515, 18366502, 23375548, 26237860, 29219435, 33833030, 36733004, 45916255, 58438870, 64282757, 67666060, 91832510, 116877740, 128565514, 183665020, 257131028, 321413785, 642827570, 1285655140]

約数ペア:

[(1, 1285655140), (2, 642827570), (4, 321413785), (5, 257131028), (7, 183665020), (10, 128565514), (11, 116877740), (14, 91832510), (19, 67666060), (20, 64282757), (22, 58438870), (28, 45916255), (35, 36733004), (38, 33833030), (44, 29219435), (49, 26237860), (55, 23375548), (70, 18366502), (76, 16916515), (77, 16696820), (95, 13533212), (98, 13118930), (110, 11687774), (133, 9666580), (140, 9183251), (154, 8348410), (190, 6766606), (196, 6559465), (209, 6151460), (220, 5843887), (245, 5247572), (266, 4833290), (308, 4174205), (380, 3383303), (385, 3339364), (418, 3075730), (490, 2623786), (532, 2416645), (539, 2385260), (665, 1933316), (770, 1669682), (836, 1537865), (931, 1380940), (980, 1311893), (1045, 1230292), (1078, 1192630), (1330, 966658), (1463, 878780), (1540, 834841), (1862, 690470), (2090, 615146), (2156, 596315), (2660, 483329), (2695, 477052), (2926, 439390), (3724, 345235), (4180, 307573), (4655, 276188), (5390, 238526), (5852, 219695), (6277, 204820), (7315, 175756), (9310, 138094), (10241, 125540), (10780, 119263), (12554, 102410), (14630, 87878), (18620, 69047), (20482, 62770), (25108, 51205), (29260, 43939), (31385, 40964)]