917878140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1721}}^1\times {\mathrm{2963}}^1$

素因数の和:4699

約数の個数: 72

約数和(自身を含む): 2786788368

約数和(自身を除く): 1868910228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1721, 2963, 3442, 5163, 5926, 6884, 8605, 8889, 10326, 11852, 14815, 15489, 17210, 17778, 20652, 25815, 26667, 29630, 30978, 34420, 35556, 44445, 51630, 53334, 59260, 61956, 77445, 88890, 103260, 106668, 133335, 154890, 177780, 266670, 309780, 533340, 5099323, 10198646, 15297969, 20397292, 25496615, 30595938, 45893907, 50993230, 61191876, 76489845, 91787814, 101986460, 152979690, 183575628, 229469535, 305959380, 458939070, 917878140]

約数ペア:

[(1, 917878140), (2, 458939070), (3, 305959380), (4, 229469535), (5, 183575628), (6, 152979690), (9, 101986460), (10, 91787814), (12, 76489845), (15, 61191876), (18, 50993230), (20, 45893907), (30, 30595938), (36, 25496615), (45, 20397292), (60, 15297969), (90, 10198646), (180, 5099323), (1721, 533340), (2963, 309780), (3442, 266670), (5163, 177780), (5926, 154890), (6884, 133335), (8605, 106668), (8889, 103260), (10326, 88890), (11852, 77445), (14815, 61956), (15489, 59260), (17210, 53334), (17778, 51630), (20652, 44445), (25815, 35556), (26667, 34420), (29630, 30978)]