138761820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:500

約数の個数: 144

約数和(自身を含む): 450279648

約数和(自身を除く): 311517828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 137, 153, 170, 180, 204, 255, 274, 306, 331, 340, 411, 510, 548, 612, 662, 685, 765, 822, 993, 1020, 1233, 1324, 1370, 1530, 1644, 1655, 1986, 2055, 2329, 2466, 2740, 2979, 3060, 3310, 3972, 4110, 4658, 4932, 4965, 5627, 5958, 6165, 6620, 6987, 8220, 9316, 9930, 11254, 11645, 11916, 12330, 13974, 14895, 16881, 19860, 20961, 22508, 23290, 24660, 27948, 28135, 29790, 33762, 34935, 41922, 45347, 46580, 50643, 56270, 59580, 67524, 69870, 83844, 84405, 90694, 101286, 104805, 112540, 136041, 139740, 168810, 181388, 202572, 209610, 226735, 253215, 272082, 337620, 408123, 419220, 453470, 506430, 544164, 680205, 770899, 816246, 906940, 1012860, 1360410, 1541798, 1632492, 2040615, 2312697, 2720820, 3083596, 3854495, 4081230, 4625394, 6938091, 7708990, 8162460, 9250788, 11563485, 13876182, 15417980, 23126970, 27752364, 34690455, 46253940, 69380910, 138761820]

約数ペア:

[(1, 138761820), (2, 69380910), (3, 46253940), (4, 34690455), (5, 27752364), (6, 23126970), (9, 15417980), (10, 13876182), (12, 11563485), (15, 9250788), (17, 8162460), (18, 7708990), (20, 6938091), (30, 4625394), (34, 4081230), (36, 3854495), (45, 3083596), (51, 2720820), (60, 2312697), (68, 2040615), (85, 1632492), (90, 1541798), (102, 1360410), (137, 1012860), (153, 906940), (170, 816246), (180, 770899), (204, 680205), (255, 544164), (274, 506430), (306, 453470), (331, 419220), (340, 408123), (411, 337620), (510, 272082), (548, 253215), (612, 226735), (662, 209610), (685, 202572), (765, 181388), (822, 168810), (993, 139740), (1020, 136041), (1233, 112540), (1324, 104805), (1370, 101286), (1530, 90694), (1644, 84405), (1655, 83844), (1986, 69870), (2055, 67524), (2329, 59580), (2466, 56270), (2740, 50643), (2979, 46580), (3060, 45347), (3310, 41922), (3972, 34935), (4110, 33762), (4658, 29790), (4932, 28135), (4965, 27948), (5627, 24660), (5958, 23290), (6165, 22508), (6620, 20961), (6987, 19860), (8220, 16881), (9316, 14895), (9930, 13974), (11254, 12330), (11645, 11916)]