20128030440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{947}}^1\times {\mathrm{25303}}^1$

素因数の和:26271

約数の個数: 128

約数和(自身を含む): 69085992960

約数和(自身を除く): 48957962520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 947, 1894, 2841, 3788, 4735, 5682, 6629, 7576, 9470, 11364, 13258, 14205, 18940, 19887, 22728, 25303, 26516, 28410, 33145, 37880, 39774, 50606, 53032, 56820, 66290, 75909, 79548, 99435, 101212, 113640, 126515, 132580, 151818, 159096, 177121, 198870, 202424, 253030, 265160, 303636, 354242, 379545, 397740, 506060, 531363, 607272, 708484, 759090, 795480, 885605, 1012120, 1062726, 1416968, 1518180, 1771210, 2125452, 2656815, 3036360, 3542420, 4250904, 5313630, 7084840, 10627260, 21254520, 23961941, 47923882, 71885823, 95847764, 119809705, 143771646, 167733587, 191695528, 239619410, 287543292, 335467174, 359429115, 479238820, 503200761, 575086584, 670934348, 718858230, 838667935, 958477640, 1006401522, 1341868696, 1437716460, 1677335870, 2012803044, 2516003805, 2875432920, 3354671740, 4025606088, 5032007610, 6709343480, 10064015220, 20128030440]

約数ペア:

[(1, 20128030440), (2, 10064015220), (3, 6709343480), (4, 5032007610), (5, 4025606088), (6, 3354671740), (7, 2875432920), (8, 2516003805), (10, 2012803044), (12, 1677335870), (14, 1437716460), (15, 1341868696), (20, 1006401522), (21, 958477640), (24, 838667935), (28, 718858230), (30, 670934348), (35, 575086584), (40, 503200761), (42, 479238820), (56, 359429115), (60, 335467174), (70, 287543292), (84, 239619410), (105, 191695528), (120, 167733587), (140, 143771646), (168, 119809705), (210, 95847764), (280, 71885823), (420, 47923882), (840, 23961941), (947, 21254520), (1894, 10627260), (2841, 7084840), (3788, 5313630), (4735, 4250904), (5682, 3542420), (6629, 3036360), (7576, 2656815), (9470, 2125452), (11364, 1771210), (13258, 1518180), (14205, 1416968), (18940, 1062726), (19887, 1012120), (22728, 885605), (25303, 795480), (26516, 759090), (28410, 708484), (33145, 607272), (37880, 531363), (39774, 506060), (50606, 397740), (53032, 379545), (56820, 354242), (66290, 303636), (75909, 265160), (79548, 253030), (99435, 202424), (101212, 198870), (113640, 177121), (126515, 159096), (132580, 151818)]