16761780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:326

約数の個数: 144

約数和(自身を含む): 59439744

約数和(自身を除く): 42677964

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 53, 60, 63, 70, 84, 90, 105, 106, 126, 140, 159, 180, 210, 212, 251, 252, 265, 315, 318, 371, 420, 477, 502, 530, 630, 636, 742, 753, 795, 954, 1004, 1060, 1113, 1255, 1260, 1484, 1506, 1590, 1757, 1855, 1908, 2226, 2259, 2385, 2510, 3012, 3180, 3339, 3514, 3710, 3765, 4452, 4518, 4770, 5020, 5271, 5565, 6678, 7028, 7420, 7530, 8785, 9036, 9540, 10542, 11130, 11295, 13303, 13356, 15060, 15813, 16695, 17570, 21084, 22260, 22590, 26355, 26606, 31626, 33390, 35140, 39909, 45180, 52710, 53212, 63252, 66515, 66780, 79065, 79818, 93121, 105420, 119727, 133030, 158130, 159636, 186242, 199545, 239454, 266060, 279363, 316260, 372484, 399090, 465605, 478908, 558726, 598635, 798180, 838089, 931210, 1117452, 1197270, 1396815, 1676178, 1862420, 2394540, 2793630, 3352356, 4190445, 5587260, 8380890, 16761780]

約数ペア:

[(1, 16761780), (2, 8380890), (3, 5587260), (4, 4190445), (5, 3352356), (6, 2793630), (7, 2394540), (9, 1862420), (10, 1676178), (12, 1396815), (14, 1197270), (15, 1117452), (18, 931210), (20, 838089), (21, 798180), (28, 598635), (30, 558726), (35, 478908), (36, 465605), (42, 399090), (45, 372484), (53, 316260), (60, 279363), (63, 266060), (70, 239454), (84, 199545), (90, 186242), (105, 159636), (106, 158130), (126, 133030), (140, 119727), (159, 105420), (180, 93121), (210, 79818), (212, 79065), (251, 66780), (252, 66515), (265, 63252), (315, 53212), (318, 52710), (371, 45180), (420, 39909), (477, 35140), (502, 33390), (530, 31626), (630, 26606), (636, 26355), (742, 22590), (753, 22260), (795, 21084), (954, 17570), (1004, 16695), (1060, 15813), (1113, 15060), (1255, 13356), (1260, 13303), (1484, 11295), (1506, 11130), (1590, 10542), (1757, 9540), (1855, 9036), (1908, 8785), (2226, 7530), (2259, 7420), (2385, 7028), (2510, 6678), (3012, 5565), (3180, 5271), (3339, 5020), (3514, 4770), (3710, 4518), (3765, 4452)]