1620991836

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 4324669440

約数和(自身を除く): 2703677604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 67, 79, 94, 134, 141, 158, 181, 188, 201, 237, 268, 282, 316, 362, 402, 423, 474, 543, 564, 603, 711, 724, 804, 846, 948, 1086, 1206, 1422, 1629, 1692, 2172, 2412, 2844, 3149, 3258, 3713, 5293, 6298, 6516, 7426, 8507, 9447, 10586, 11139, 12127, 12596, 14299, 14852, 15879, 17014, 18894, 21172, 22278, 24254, 25521, 28341, 28598, 31758, 33417, 34028, 36381, 37788, 42897, 44556, 47637, 48508, 51042, 56682, 57196, 63516, 66834, 72762, 76563, 85794, 95274, 102084, 109143, 113364, 128691, 133668, 145524, 153126, 171588, 190548, 218286, 248771, 257382, 306252, 436572, 497542, 514764, 569969, 672053, 746313, 958033, 995084, 1139938, 1344106, 1492626, 1709907, 1916066, 2016159, 2238939, 2279876, 2688212, 2874099, 2985252, 3419814, 3832132, 4032318, 4477878, 5129721, 5748198, 6048477, 6839628, 8064636, 8622297, 8955756, 10259442, 11496396, 12096954, 17244594, 20518884, 24193908, 34489188, 45027551, 90055102, 135082653, 180110204, 270165306, 405247959, 540330612, 810495918, 1620991836]

約数ペア:

[(1, 1620991836), (2, 810495918), (3, 540330612), (4, 405247959), (6, 270165306), (9, 180110204), (12, 135082653), (18, 90055102), (36, 45027551), (47, 34489188), (67, 24193908), (79, 20518884), (94, 17244594), (134, 12096954), (141, 11496396), (158, 10259442), (181, 8955756), (188, 8622297), (201, 8064636), (237, 6839628), (268, 6048477), (282, 5748198), (316, 5129721), (362, 4477878), (402, 4032318), (423, 3832132), (474, 3419814), (543, 2985252), (564, 2874099), (603, 2688212), (711, 2279876), (724, 2238939), (804, 2016159), (846, 1916066), (948, 1709907), (1086, 1492626), (1206, 1344106), (1422, 1139938), (1629, 995084), (1692, 958033), (2172, 746313), (2412, 672053), (2844, 569969), (3149, 514764), (3258, 497542), (3713, 436572), (5293, 306252), (6298, 257382), (6516, 248771), (7426, 218286), (8507, 190548), (9447, 171588), (10586, 153126), (11139, 145524), (12127, 133668), (12596, 128691), (14299, 113364), (14852, 109143), (15879, 102084), (17014, 95274), (18894, 85794), (21172, 76563), (22278, 72762), (24254, 66834), (25521, 63516), (28341, 57196), (28598, 56682), (31758, 51042), (33417, 48508), (34028, 47637), (36381, 44556), (37788, 42897)]