77225960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:128

約数の個数: 144

約数和(自身を含む): 213951780

約数和(自身を除く): 136725820

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 41, 49, 56, 62, 70, 82, 98, 124, 140, 155, 164, 196, 205, 217, 245, 248, 280, 287, 310, 328, 392, 410, 434, 490, 574, 620, 820, 868, 961, 980, 1085, 1148, 1240, 1271, 1435, 1519, 1640, 1736, 1922, 1960, 2009, 2170, 2296, 2542, 2870, 3038, 3844, 4018, 4340, 4805, 5084, 5740, 6076, 6355, 6727, 7595, 7688, 8036, 8680, 8897, 9610, 10045, 10168, 11480, 12152, 12710, 13454, 15190, 16072, 17794, 19220, 20090, 25420, 26908, 30380, 33635, 35588, 38440, 39401, 40180, 44485, 47089, 50840, 53816, 60760, 62279, 67270, 71176, 78802, 80360, 88970, 94178, 124558, 134540, 157604, 177940, 188356, 197005, 235445, 249116, 269080, 275807, 311395, 315208, 355880, 376712, 394010, 470890, 498232, 551614, 622790, 788020, 941780, 1103228, 1245580, 1379035, 1576040, 1883560, 1930649, 2206456, 2491160, 2758070, 3861298, 5516140, 7722596, 9653245, 11032280, 15445192, 19306490, 38612980, 77225960]

約数ペア:

[(1, 77225960), (2, 38612980), (4, 19306490), (5, 15445192), (7, 11032280), (8, 9653245), (10, 7722596), (14, 5516140), (20, 3861298), (28, 2758070), (31, 2491160), (35, 2206456), (40, 1930649), (41, 1883560), (49, 1576040), (56, 1379035), (62, 1245580), (70, 1103228), (82, 941780), (98, 788020), (124, 622790), (140, 551614), (155, 498232), (164, 470890), (196, 394010), (205, 376712), (217, 355880), (245, 315208), (248, 311395), (280, 275807), (287, 269080), (310, 249116), (328, 235445), (392, 197005), (410, 188356), (434, 177940), (490, 157604), (574, 134540), (620, 124558), (820, 94178), (868, 88970), (961, 80360), (980, 78802), (1085, 71176), (1148, 67270), (1240, 62279), (1271, 60760), (1435, 53816), (1519, 50840), (1640, 47089), (1736, 44485), (1922, 40180), (1960, 39401), (2009, 38440), (2170, 35588), (2296, 33635), (2542, 30380), (2870, 26908), (3038, 25420), (3844, 20090), (4018, 19220), (4340, 17794), (4805, 16072), (5084, 15190), (5740, 13454), (6076, 12710), (6355, 12152), (6727, 11480), (7595, 10168), (7688, 10045), (8036, 9610), (8680, 8897)]