19610640

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{1297}}^1$

素因数の和:1326

約数の個数: 160

約数和(自身を含む): 77256960

約数和(自身を除く): 57646320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1297, 1512, 1680, 1890, 2160, 2520, 2594, 3024, 3780, 3891, 5040, 5188, 6485, 7560, 7782, 9079, 10376, 11673, 12970, 15120, 15564, 18158, 19455, 20752, 23346, 25940, 27237, 31128, 35019, 36316, 38910, 45395, 46692, 51880, 54474, 58365, 62256, 70038, 72632, 77820, 81711, 90790, 93384, 103760, 108948, 116730, 136185, 140076, 145264, 155640, 163422, 175095, 181580, 186768, 217896, 233460, 245133, 272370, 280152, 311280, 326844, 350190, 363160, 408555, 435792, 466920, 490266, 544740, 560304, 653688, 700380, 726320, 817110, 933840, 980532, 1089480, 1225665, 1307376, 1400760, 1634220, 1961064, 2178960, 2451330, 2801520, 3268440, 3922128, 4902660, 6536880, 9805320, 19610640]

約数ペア:

[(1, 19610640), (2, 9805320), (3, 6536880), (4, 4902660), (5, 3922128), (6, 3268440), (7, 2801520), (8, 2451330), (9, 2178960), (10, 1961064), (12, 1634220), (14, 1400760), (15, 1307376), (16, 1225665), (18, 1089480), (20, 980532), (21, 933840), (24, 817110), (27, 726320), (28, 700380), (30, 653688), (35, 560304), (36, 544740), (40, 490266), (42, 466920), (45, 435792), (48, 408555), (54, 363160), (56, 350190), (60, 326844), (63, 311280), (70, 280152), (72, 272370), (80, 245133), (84, 233460), (90, 217896), (105, 186768), (108, 181580), (112, 175095), (120, 163422), (126, 155640), (135, 145264), (140, 140076), (144, 136185), (168, 116730), (180, 108948), (189, 103760), (210, 93384), (216, 90790), (240, 81711), (252, 77820), (270, 72632), (280, 70038), (315, 62256), (336, 58365), (360, 54474), (378, 51880), (420, 46692), (432, 45395), (504, 38910), (540, 36316), (560, 35019), (630, 31128), (720, 27237), (756, 25940), (840, 23346), (945, 20752), (1008, 19455), (1080, 18158), (1260, 15564), (1297, 15120), (1512, 12970), (1680, 11673), (1890, 10376), (2160, 9079), (2520, 7782), (2594, 7560), (3024, 6485), (3780, 5188), (3891, 5040)]