157820220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:372

約数の個数: 144

約数和(自身を含む): 496746432

約数和(自身を除く): 338926212

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 71, 90, 106, 142, 159, 180, 212, 213, 233, 265, 284, 318, 355, 426, 466, 477, 530, 636, 639, 699, 710, 795, 852, 932, 954, 1060, 1065, 1165, 1278, 1398, 1420, 1590, 1908, 2097, 2130, 2330, 2385, 2556, 2796, 3180, 3195, 3495, 3763, 4194, 4260, 4660, 4770, 6390, 6990, 7526, 8388, 9540, 10485, 11289, 12349, 12780, 13980, 15052, 16543, 18815, 20970, 22578, 24698, 33086, 33867, 37047, 37630, 41940, 45156, 49396, 49629, 56445, 61745, 66172, 67734, 74094, 75260, 82715, 99258, 111141, 112890, 123490, 135468, 148188, 148887, 165430, 169335, 185235, 198516, 222282, 225780, 246980, 248145, 297774, 330860, 338670, 370470, 444564, 496290, 555705, 595548, 677340, 740940, 744435, 876779, 992580, 1111410, 1488870, 1753558, 2222820, 2630337, 2977740, 3507116, 4383895, 5260674, 7891011, 8767790, 10521348, 13151685, 15782022, 17535580, 26303370, 31564044, 39455055, 52606740, 78910110, 157820220]

約数ペア:

[(1, 157820220), (2, 78910110), (3, 52606740), (4, 39455055), (5, 31564044), (6, 26303370), (9, 17535580), (10, 15782022), (12, 13151685), (15, 10521348), (18, 8767790), (20, 7891011), (30, 5260674), (36, 4383895), (45, 3507116), (53, 2977740), (60, 2630337), (71, 2222820), (90, 1753558), (106, 1488870), (142, 1111410), (159, 992580), (180, 876779), (212, 744435), (213, 740940), (233, 677340), (265, 595548), (284, 555705), (318, 496290), (355, 444564), (426, 370470), (466, 338670), (477, 330860), (530, 297774), (636, 248145), (639, 246980), (699, 225780), (710, 222282), (795, 198516), (852, 185235), (932, 169335), (954, 165430), (1060, 148887), (1065, 148188), (1165, 135468), (1278, 123490), (1398, 112890), (1420, 111141), (1590, 99258), (1908, 82715), (2097, 75260), (2130, 74094), (2330, 67734), (2385, 66172), (2556, 61745), (2796, 56445), (3180, 49629), (3195, 49396), (3495, 45156), (3763, 41940), (4194, 37630), (4260, 37047), (4660, 33867), (4770, 33086), (6390, 24698), (6990, 22578), (7526, 20970), (8388, 18815), (9540, 16543), (10485, 15052), (11289, 13980), (12349, 12780)]