1819632780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{4363}}^1$

素因数の和:4716

約数の個数: 144

約数和(自身を含む): 6328568064

約数和(自身を除く): 4508935284

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 331, 420, 630, 662, 993, 1260, 1324, 1655, 1986, 2317, 2979, 3310, 3972, 4363, 4634, 4965, 5958, 6620, 6951, 8726, 9268, 9930, 11585, 11916, 13089, 13902, 14895, 17452, 19860, 20853, 21815, 23170, 26178, 27804, 29790, 30541, 34755, 39267, 41706, 43630, 46340, 52356, 59580, 61082, 65445, 69510, 78534, 83412, 87260, 91623, 104265, 122164, 130890, 139020, 152705, 157068, 183246, 196335, 208530, 261780, 274869, 305410, 366492, 392670, 417060, 458115, 549738, 610820, 785340, 916230, 1099476, 1374345, 1444153, 1832460, 2748690, 2888306, 4332459, 5497380, 5776612, 7220765, 8664918, 10109071, 12997377, 14441530, 17329836, 20218142, 21662295, 25994754, 28883060, 30327213, 40436284, 43324590, 50545355, 51989508, 60654426, 64986885, 86649180, 90981639, 101090710, 121308852, 129973770, 151636065, 181963278, 202181420, 259947540, 303272130, 363926556, 454908195, 606544260, 909816390, 1819632780]

約数ペア:

[(1, 1819632780), (2, 909816390), (3, 606544260), (4, 454908195), (5, 363926556), (6, 303272130), (7, 259947540), (9, 202181420), (10, 181963278), (12, 151636065), (14, 129973770), (15, 121308852), (18, 101090710), (20, 90981639), (21, 86649180), (28, 64986885), (30, 60654426), (35, 51989508), (36, 50545355), (42, 43324590), (45, 40436284), (60, 30327213), (63, 28883060), (70, 25994754), (84, 21662295), (90, 20218142), (105, 17329836), (126, 14441530), (140, 12997377), (180, 10109071), (210, 8664918), (252, 7220765), (315, 5776612), (331, 5497380), (420, 4332459), (630, 2888306), (662, 2748690), (993, 1832460), (1260, 1444153), (1324, 1374345), (1655, 1099476), (1986, 916230), (2317, 785340), (2979, 610820), (3310, 549738), (3972, 458115), (4363, 417060), (4634, 392670), (4965, 366492), (5958, 305410), (6620, 274869), (6951, 261780), (8726, 208530), (9268, 196335), (9930, 183246), (11585, 157068), (11916, 152705), (13089, 139020), (13902, 130890), (14895, 122164), (17452, 104265), (19860, 91623), (20853, 87260), (21815, 83412), (23170, 78534), (26178, 69510), (27804, 65445), (29790, 61082), (30541, 59580), (34755, 52356), (39267, 46340), (41706, 43630)]