231009520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1901}}^1$

素因数の和:1959

約数の個数: 120

約数和(自身を含む): 645280128

約数和(自身を除く): 414270608

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 1085, 1240, 1519, 1736, 1901, 1960, 2170, 2480, 3038, 3472, 3802, 3920, 4340, 6076, 7595, 7604, 8680, 9505, 12152, 13307, 15190, 15208, 17360, 19010, 24304, 26614, 30380, 30416, 38020, 53228, 58931, 60760, 66535, 76040, 93149, 106456, 117862, 121520, 133070, 152080, 186298, 212912, 235724, 266140, 294655, 372596, 412517, 465745, 471448, 532280, 589310, 745192, 825034, 931490, 942896, 1064560, 1178620, 1490384, 1650068, 1862980, 2062585, 2357240, 2887619, 3300136, 3725960, 4125170, 4714480, 5775238, 6600272, 7451920, 8250340, 11550476, 14438095, 16500680, 23100952, 28876190, 33001360, 46201904, 57752380, 115504760, 231009520]

約数ペア:

[(1, 231009520), (2, 115504760), (4, 57752380), (5, 46201904), (7, 33001360), (8, 28876190), (10, 23100952), (14, 16500680), (16, 14438095), (20, 11550476), (28, 8250340), (31, 7451920), (35, 6600272), (40, 5775238), (49, 4714480), (56, 4125170), (62, 3725960), (70, 3300136), (80, 2887619), (98, 2357240), (112, 2062585), (124, 1862980), (140, 1650068), (155, 1490384), (196, 1178620), (217, 1064560), (245, 942896), (248, 931490), (280, 825034), (310, 745192), (392, 589310), (434, 532280), (490, 471448), (496, 465745), (560, 412517), (620, 372596), (784, 294655), (868, 266140), (980, 235724), (1085, 212912), (1240, 186298), (1519, 152080), (1736, 133070), (1901, 121520), (1960, 117862), (2170, 106456), (2480, 93149), (3038, 76040), (3472, 66535), (3802, 60760), (3920, 58931), (4340, 53228), (6076, 38020), (7595, 30416), (7604, 30380), (8680, 26614), (9505, 24304), (12152, 19010), (13307, 17360), (15190, 15208)]