131219400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{16823}}^1$

素因数の和:16855

約数の個数: 96

約数和(自身を含む): 438096960

約数和(自身を除く): 306877560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 130, 150, 156, 195, 200, 260, 300, 312, 325, 390, 520, 600, 650, 780, 975, 1300, 1560, 1950, 2600, 3900, 7800, 16823, 33646, 50469, 67292, 84115, 100938, 134584, 168230, 201876, 218699, 252345, 336460, 403752, 420575, 437398, 504690, 656097, 672920, 841150, 874796, 1009380, 1093495, 1261725, 1312194, 1682300, 1749592, 2018760, 2186990, 2523450, 2624388, 3280485, 3364600, 4373980, 5046900, 5248776, 5467475, 6560970, 8747960, 10093800, 10934950, 13121940, 16402425, 21869900, 26243880, 32804850, 43739800, 65609700, 131219400]

約数ペア:

[(1, 131219400), (2, 65609700), (3, 43739800), (4, 32804850), (5, 26243880), (6, 21869900), (8, 16402425), (10, 13121940), (12, 10934950), (13, 10093800), (15, 8747960), (20, 6560970), (24, 5467475), (25, 5248776), (26, 5046900), (30, 4373980), (39, 3364600), (40, 3280485), (50, 2624388), (52, 2523450), (60, 2186990), (65, 2018760), (75, 1749592), (78, 1682300), (100, 1312194), (104, 1261725), (120, 1093495), (130, 1009380), (150, 874796), (156, 841150), (195, 672920), (200, 656097), (260, 504690), (300, 437398), (312, 420575), (325, 403752), (390, 336460), (520, 252345), (600, 218699), (650, 201876), (780, 168230), (975, 134584), (1300, 100938), (1560, 84115), (1950, 67292), (2600, 50469), (3900, 33646), (7800, 16823)]