25576740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{383}}^1$

素因数の和:458

約数の個数: 144

約数和(自身を含む): 90574848

約数和(自身を除く): 64998108

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 53, 60, 63, 70, 84, 90, 105, 106, 126, 140, 159, 180, 210, 212, 252, 265, 315, 318, 371, 383, 420, 477, 530, 630, 636, 742, 766, 795, 954, 1060, 1113, 1149, 1260, 1484, 1532, 1590, 1855, 1908, 1915, 2226, 2298, 2385, 2681, 3180, 3339, 3447, 3710, 3830, 4452, 4596, 4770, 5362, 5565, 5745, 6678, 6894, 7420, 7660, 8043, 9540, 10724, 11130, 11490, 13356, 13405, 13788, 16086, 16695, 17235, 20299, 22260, 22980, 24129, 26810, 32172, 33390, 34470, 40215, 40598, 48258, 53620, 60897, 66780, 68940, 80430, 81196, 96516, 101495, 120645, 121794, 142093, 160860, 182691, 202990, 241290, 243588, 284186, 304485, 365382, 405980, 426279, 482580, 568372, 608970, 710465, 730764, 852558, 913455, 1217940, 1278837, 1420930, 1705116, 1826910, 2131395, 2557674, 2841860, 3653820, 4262790, 5115348, 6394185, 8525580, 12788370, 25576740]

約数ペア:

[(1, 25576740), (2, 12788370), (3, 8525580), (4, 6394185), (5, 5115348), (6, 4262790), (7, 3653820), (9, 2841860), (10, 2557674), (12, 2131395), (14, 1826910), (15, 1705116), (18, 1420930), (20, 1278837), (21, 1217940), (28, 913455), (30, 852558), (35, 730764), (36, 710465), (42, 608970), (45, 568372), (53, 482580), (60, 426279), (63, 405980), (70, 365382), (84, 304485), (90, 284186), (105, 243588), (106, 241290), (126, 202990), (140, 182691), (159, 160860), (180, 142093), (210, 121794), (212, 120645), (252, 101495), (265, 96516), (315, 81196), (318, 80430), (371, 68940), (383, 66780), (420, 60897), (477, 53620), (530, 48258), (630, 40598), (636, 40215), (742, 34470), (766, 33390), (795, 32172), (954, 26810), (1060, 24129), (1113, 22980), (1149, 22260), (1260, 20299), (1484, 17235), (1532, 16695), (1590, 16086), (1855, 13788), (1908, 13405), (1915, 13356), (2226, 11490), (2298, 11130), (2385, 10724), (2681, 9540), (3180, 8043), (3339, 7660), (3447, 7420), (3710, 6894), (3830, 6678), (4452, 5745), (4596, 5565), (4770, 5362)]