280243704

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{659}}^1$

素因数の和:757

約数の個数: 128

約数和(自身を含む): 798336000

約数和(自身を除く): 518092296

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 29, 39, 47, 52, 58, 78, 87, 94, 104, 116, 141, 156, 174, 188, 232, 282, 312, 348, 376, 377, 564, 611, 659, 696, 754, 1128, 1131, 1222, 1318, 1363, 1508, 1833, 1977, 2262, 2444, 2636, 2726, 3016, 3666, 3954, 4089, 4524, 4888, 5272, 5452, 7332, 7908, 8178, 8567, 9048, 10904, 14664, 15816, 16356, 17134, 17719, 19111, 25701, 30973, 32712, 34268, 35438, 38222, 51402, 53157, 57333, 61946, 68536, 70876, 76444, 92919, 102804, 106314, 114666, 123892, 141752, 152888, 185838, 205608, 212628, 229332, 247784, 248443, 371676, 402649, 425256, 458664, 496886, 743352, 745329, 805298, 898217, 993772, 1207947, 1490658, 1610596, 1796434, 1987544, 2415894, 2694651, 2981316, 3221192, 3592868, 4831788, 5389302, 5962632, 7185736, 9663576, 10778604, 11676821, 21557208, 23353642, 35030463, 46707284, 70060926, 93414568, 140121852, 280243704]

約数ペア:

[(1, 280243704), (2, 140121852), (3, 93414568), (4, 70060926), (6, 46707284), (8, 35030463), (12, 23353642), (13, 21557208), (24, 11676821), (26, 10778604), (29, 9663576), (39, 7185736), (47, 5962632), (52, 5389302), (58, 4831788), (78, 3592868), (87, 3221192), (94, 2981316), (104, 2694651), (116, 2415894), (141, 1987544), (156, 1796434), (174, 1610596), (188, 1490658), (232, 1207947), (282, 993772), (312, 898217), (348, 805298), (376, 745329), (377, 743352), (564, 496886), (611, 458664), (659, 425256), (696, 402649), (754, 371676), (1128, 248443), (1131, 247784), (1222, 229332), (1318, 212628), (1363, 205608), (1508, 185838), (1833, 152888), (1977, 141752), (2262, 123892), (2444, 114666), (2636, 106314), (2726, 102804), (3016, 92919), (3666, 76444), (3954, 70876), (4089, 68536), (4524, 61946), (4888, 57333), (5272, 53157), (5452, 51402), (7332, 38222), (7908, 35438), (8178, 34268), (8567, 32712), (9048, 30973), (10904, 25701), (14664, 19111), (15816, 17719), (16356, 17134)]