145884760

素因数分解:

$2^3\times 5^1\times 7^6\times {\mathrm{31}}^1$

素因数の和:84

約数の個数: 112

約数和(自身を含む): 395300160

約数和(自身を除く): 249415400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 124, 140, 155, 196, 217, 245, 248, 280, 310, 343, 392, 434, 490, 620, 686, 868, 980, 1085, 1240, 1372, 1519, 1715, 1736, 1960, 2170, 2401, 2744, 3038, 3430, 4340, 4802, 6076, 6860, 7595, 8680, 9604, 10633, 12005, 12152, 13720, 15190, 16807, 19208, 21266, 24010, 30380, 33614, 42532, 48020, 53165, 60760, 67228, 74431, 84035, 85064, 96040, 106330, 117649, 134456, 148862, 168070, 212660, 235298, 297724, 336140, 372155, 425320, 470596, 521017, 588245, 595448, 672280, 744310, 941192, 1042034, 1176490, 1488620, 2084068, 2352980, 2605085, 2977240, 3647119, 4168136, 4705960, 5210170, 7294238, 10420340, 14588476, 18235595, 20840680, 29176952, 36471190, 72942380, 145884760]

約数ペア:

[(1, 145884760), (2, 72942380), (4, 36471190), (5, 29176952), (7, 20840680), (8, 18235595), (10, 14588476), (14, 10420340), (20, 7294238), (28, 5210170), (31, 4705960), (35, 4168136), (40, 3647119), (49, 2977240), (56, 2605085), (62, 2352980), (70, 2084068), (98, 1488620), (124, 1176490), (140, 1042034), (155, 941192), (196, 744310), (217, 672280), (245, 595448), (248, 588245), (280, 521017), (310, 470596), (343, 425320), (392, 372155), (434, 336140), (490, 297724), (620, 235298), (686, 212660), (868, 168070), (980, 148862), (1085, 134456), (1240, 117649), (1372, 106330), (1519, 96040), (1715, 85064), (1736, 84035), (1960, 74431), (2170, 67228), (2401, 60760), (2744, 53165), (3038, 48020), (3430, 42532), (4340, 33614), (4802, 30380), (6076, 24010), (6860, 21266), (7595, 19208), (8680, 16807), (9604, 15190), (10633, 13720), (12005, 12152)]