31850460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 103958400

約数和(自身を除く): 72107940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 67, 76, 90, 95, 114, 134, 139, 171, 180, 190, 201, 228, 268, 278, 285, 335, 342, 380, 402, 417, 556, 570, 603, 670, 684, 695, 804, 834, 855, 1005, 1140, 1206, 1251, 1273, 1340, 1390, 1668, 1710, 2010, 2085, 2412, 2502, 2546, 2641, 2780, 3015, 3420, 3819, 4020, 4170, 5004, 5092, 5282, 6030, 6255, 6365, 7638, 7923, 8340, 9313, 10564, 11457, 12060, 12510, 12730, 13205, 15276, 15846, 18626, 19095, 22914, 23769, 25020, 25460, 26410, 27939, 31692, 37252, 38190, 39615, 45828, 46565, 47538, 52820, 55878, 57285, 76380, 79230, 83817, 93130, 95076, 111756, 114570, 118845, 139695, 158460, 167634, 176947, 186260, 229140, 237690, 279390, 335268, 353894, 419085, 475380, 530841, 558780, 707788, 838170, 884735, 1061682, 1592523, 1676340, 1769470, 2123364, 2654205, 3185046, 3538940, 5308410, 6370092, 7962615, 10616820, 15925230, 31850460]

約数ペア:

[(1, 31850460), (2, 15925230), (3, 10616820), (4, 7962615), (5, 6370092), (6, 5308410), (9, 3538940), (10, 3185046), (12, 2654205), (15, 2123364), (18, 1769470), (19, 1676340), (20, 1592523), (30, 1061682), (36, 884735), (38, 838170), (45, 707788), (57, 558780), (60, 530841), (67, 475380), (76, 419085), (90, 353894), (95, 335268), (114, 279390), (134, 237690), (139, 229140), (171, 186260), (180, 176947), (190, 167634), (201, 158460), (228, 139695), (268, 118845), (278, 114570), (285, 111756), (335, 95076), (342, 93130), (380, 83817), (402, 79230), (417, 76380), (556, 57285), (570, 55878), (603, 52820), (670, 47538), (684, 46565), (695, 45828), (804, 39615), (834, 38190), (855, 37252), (1005, 31692), (1140, 27939), (1206, 26410), (1251, 25460), (1273, 25020), (1340, 23769), (1390, 22914), (1668, 19095), (1710, 18626), (2010, 15846), (2085, 15276), (2412, 13205), (2502, 12730), (2546, 12510), (2641, 12060), (2780, 11457), (3015, 10564), (3420, 9313), (3819, 8340), (4020, 7923), (4170, 7638), (5004, 6365), (5092, 6255), (5282, 6030)]