1978358760

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{829}}^1\times {\mathrm{947}}^1$

素因数の和:1800

約数の個数: 192

約数和(自身を含む): 7364822400

約数和(自身を除く): 5386463640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 829, 840, 947, 1260, 1658, 1894, 2487, 2520, 2841, 3316, 3788, 4145, 4735, 4974, 5682, 5803, 6629, 6632, 7461, 7576, 8290, 8523, 9470, 9948, 11364, 11606, 12435, 13258, 14205, 14922, 16580, 17046, 17409, 18940, 19887, 19896, 22728, 23212, 24870, 26516, 28410, 29015, 29844, 33145, 33160, 34092, 34818, 37305, 37880, 39774, 42615, 46424, 49740, 52227, 53032, 56820, 58030, 59661, 59688, 66290, 68184, 69636, 74610, 79548, 85230, 87045, 99435, 99480, 104454, 113640, 116060, 119322, 132580, 139272, 149220, 159096, 170460, 174090, 198870, 208908, 232120, 238644, 261135, 265160, 298305, 298440, 340920, 348180, 397740, 417816, 477288, 522270, 596610, 696360, 785063, 795480, 1044540, 1193220, 1570126, 2089080, 2355189, 2386440, 3140252, 3925315, 4710378, 5495441, 6280504, 7065567, 7850630, 9420756, 10990882, 11775945, 14131134, 15701260, 16486323, 18841512, 21981764, 23551890, 27477205, 28262268, 31402520, 32972646, 35327835, 43963528, 47103780, 49458969, 54954410, 56524536, 65945292, 70655670, 82431615, 94207560, 98917938, 109908820, 131890584, 141311340, 164863230, 197835876, 219817640, 247294845, 282622680, 329726460, 395671752, 494589690, 659452920, 989179380, 1978358760]

約数ペア:

[(1, 1978358760), (2, 989179380), (3, 659452920), (4, 494589690), (5, 395671752), (6, 329726460), (7, 282622680), (8, 247294845), (9, 219817640), (10, 197835876), (12, 164863230), (14, 141311340), (15, 131890584), (18, 109908820), (20, 98917938), (21, 94207560), (24, 82431615), (28, 70655670), (30, 65945292), (35, 56524536), (36, 54954410), (40, 49458969), (42, 47103780), (45, 43963528), (56, 35327835), (60, 32972646), (63, 31402520), (70, 28262268), (72, 27477205), (84, 23551890), (90, 21981764), (105, 18841512), (120, 16486323), (126, 15701260), (140, 14131134), (168, 11775945), (180, 10990882), (210, 9420756), (252, 7850630), (280, 7065567), (315, 6280504), (360, 5495441), (420, 4710378), (504, 3925315), (630, 3140252), (829, 2386440), (840, 2355189), (947, 2089080), (1260, 1570126), (1658, 1193220), (1894, 1044540), (2487, 795480), (2520, 785063), (2841, 696360), (3316, 596610), (3788, 522270), (4145, 477288), (4735, 417816), (4974, 397740), (5682, 348180), (5803, 340920), (6629, 298440), (6632, 298305), (7461, 265160), (7576, 261135), (8290, 238644), (8523, 232120), (9470, 208908), (9948, 198870), (11364, 174090), (11606, 170460), (12435, 159096), (13258, 149220), (14205, 139272), (14922, 132580), (16580, 119322), (17046, 116060), (17409, 113640), (18940, 104454), (19887, 99480), (19896, 99435), (22728, 87045), (23212, 85230), (24870, 79548), (26516, 74610), (28410, 69636), (29015, 68184), (29844, 66290), (33145, 59688), (33160, 59661), (34092, 58030), (34818, 56820), (37305, 53032), (37880, 52227), (39774, 49740), (42615, 46424)]