83611780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^2$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 228977280

約数和(自身を除く): 145365500

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 34, 35, 38, 43, 68, 70, 76, 85, 86, 95, 119, 133, 140, 170, 172, 190, 215, 238, 266, 301, 323, 340, 380, 430, 476, 532, 595, 602, 646, 665, 731, 817, 860, 1190, 1204, 1292, 1330, 1462, 1505, 1615, 1634, 1849, 2261, 2380, 2660, 2924, 3010, 3230, 3268, 3655, 3698, 4085, 4522, 5117, 5719, 6020, 6460, 7310, 7396, 8170, 9044, 9245, 10234, 11305, 11438, 12943, 13889, 14620, 16340, 18490, 20468, 22610, 22876, 25585, 25886, 27778, 28595, 31433, 35131, 36980, 45220, 51170, 51772, 55556, 57190, 62866, 64715, 69445, 70262, 97223, 102340, 114380, 125732, 129430, 138890, 140524, 157165, 175655, 194446, 220031, 245917, 258860, 277780, 314330, 351310, 388892, 440062, 486115, 491834, 597227, 628660, 702620, 880124, 972230, 983668, 1100155, 1194454, 1229585, 1944460, 2200310, 2388908, 2459170, 2986135, 4180589, 4400620, 4918340, 5972270, 8361178, 11944540, 16722356, 20902945, 41805890, 83611780]

約数ペア:

[(1, 83611780), (2, 41805890), (4, 20902945), (5, 16722356), (7, 11944540), (10, 8361178), (14, 5972270), (17, 4918340), (19, 4400620), (20, 4180589), (28, 2986135), (34, 2459170), (35, 2388908), (38, 2200310), (43, 1944460), (68, 1229585), (70, 1194454), (76, 1100155), (85, 983668), (86, 972230), (95, 880124), (119, 702620), (133, 628660), (140, 597227), (170, 491834), (172, 486115), (190, 440062), (215, 388892), (238, 351310), (266, 314330), (301, 277780), (323, 258860), (340, 245917), (380, 220031), (430, 194446), (476, 175655), (532, 157165), (595, 140524), (602, 138890), (646, 129430), (665, 125732), (731, 114380), (817, 102340), (860, 97223), (1190, 70262), (1204, 69445), (1292, 64715), (1330, 62866), (1462, 57190), (1505, 55556), (1615, 51772), (1634, 51170), (1849, 45220), (2261, 36980), (2380, 35131), (2660, 31433), (2924, 28595), (3010, 27778), (3230, 25886), (3268, 25585), (3655, 22876), (3698, 22610), (4085, 20468), (4522, 18490), (5117, 16340), (5719, 14620), (6020, 13889), (6460, 12943), (7310, 11438), (7396, 11305), (8170, 10234), (9044, 9245)]