26128620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1$

素因数の和:344

約数の個数: 144

約数和(自身を含む): 91990080

約数和(自身を除く): 65861460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 89, 90, 105, 126, 140, 178, 180, 210, 233, 252, 267, 315, 356, 420, 445, 466, 534, 623, 630, 699, 801, 890, 932, 1068, 1165, 1246, 1260, 1335, 1398, 1602, 1631, 1780, 1869, 2097, 2330, 2492, 2670, 2796, 3115, 3204, 3262, 3495, 3738, 4005, 4194, 4660, 4893, 5340, 5607, 6230, 6524, 6990, 7476, 8010, 8155, 8388, 9345, 9786, 10485, 11214, 12460, 13980, 14679, 16020, 16310, 18690, 19572, 20737, 20970, 22428, 24465, 28035, 29358, 32620, 37380, 41474, 41940, 48930, 56070, 58716, 62211, 73395, 82948, 97860, 103685, 112140, 124422, 145159, 146790, 186633, 207370, 248844, 290318, 293580, 311055, 373266, 414740, 435477, 580636, 622110, 725795, 746532, 870954, 933165, 1244220, 1306431, 1451590, 1741908, 1866330, 2177385, 2612862, 2903180, 3732660, 4354770, 5225724, 6532155, 8709540, 13064310, 26128620]

約数ペア:

[(1, 26128620), (2, 13064310), (3, 8709540), (4, 6532155), (5, 5225724), (6, 4354770), (7, 3732660), (9, 2903180), (10, 2612862), (12, 2177385), (14, 1866330), (15, 1741908), (18, 1451590), (20, 1306431), (21, 1244220), (28, 933165), (30, 870954), (35, 746532), (36, 725795), (42, 622110), (45, 580636), (60, 435477), (63, 414740), (70, 373266), (84, 311055), (89, 293580), (90, 290318), (105, 248844), (126, 207370), (140, 186633), (178, 146790), (180, 145159), (210, 124422), (233, 112140), (252, 103685), (267, 97860), (315, 82948), (356, 73395), (420, 62211), (445, 58716), (466, 56070), (534, 48930), (623, 41940), (630, 41474), (699, 37380), (801, 32620), (890, 29358), (932, 28035), (1068, 24465), (1165, 22428), (1246, 20970), (1260, 20737), (1335, 19572), (1398, 18690), (1602, 16310), (1631, 16020), (1780, 14679), (1869, 13980), (2097, 12460), (2330, 11214), (2492, 10485), (2670, 9786), (2796, 9345), (3115, 8388), (3204, 8155), (3262, 8010), (3495, 7476), (3738, 6990), (4005, 6524), (4194, 6230), (4660, 5607), (4893, 5340)]