83362720

素因数分解:

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

素因数の和:81

約数の個数: 144

約数和(自身を含む): 237178368

約数和(自身を除く): 153815648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 343, 392, 434, 490, 496, 560, 620, 686, 784, 868, 980, 992, 1085, 1120, 1240, 1372, 1519, 1568, 1715, 1736, 1960, 2170, 2401, 2480, 2744, 3038, 3430, 3472, 3920, 4340, 4802, 4960, 5488, 6076, 6860, 6944, 7595, 7840, 8680, 9604, 10633, 10976, 12005, 12152, 13720, 15190, 16807, 17360, 19208, 21266, 24010, 24304, 27440, 30380, 33614, 34720, 38416, 42532, 48020, 48608, 53165, 54880, 60760, 67228, 74431, 76832, 84035, 85064, 96040, 106330, 121520, 134456, 148862, 168070, 170128, 192080, 212660, 243040, 268912, 297724, 336140, 340256, 372155, 384160, 425320, 521017, 537824, 595448, 672280, 744310, 850640, 1042034, 1190896, 1344560, 1488620, 1701280, 2084068, 2381792, 2605085, 2689120, 2977240, 4168136, 5210170, 5954480, 8336272, 10420340, 11908960, 16672544, 20840680, 41681360, 83362720]

約数ペア:

[(1, 83362720), (2, 41681360), (4, 20840680), (5, 16672544), (7, 11908960), (8, 10420340), (10, 8336272), (14, 5954480), (16, 5210170), (20, 4168136), (28, 2977240), (31, 2689120), (32, 2605085), (35, 2381792), (40, 2084068), (49, 1701280), (56, 1488620), (62, 1344560), (70, 1190896), (80, 1042034), (98, 850640), (112, 744310), (124, 672280), (140, 595448), (155, 537824), (160, 521017), (196, 425320), (217, 384160), (224, 372155), (245, 340256), (248, 336140), (280, 297724), (310, 268912), (343, 243040), (392, 212660), (434, 192080), (490, 170128), (496, 168070), (560, 148862), (620, 134456), (686, 121520), (784, 106330), (868, 96040), (980, 85064), (992, 84035), (1085, 76832), (1120, 74431), (1240, 67228), (1372, 60760), (1519, 54880), (1568, 53165), (1715, 48608), (1736, 48020), (1960, 42532), (2170, 38416), (2401, 34720), (2480, 33614), (2744, 30380), (3038, 27440), (3430, 24304), (3472, 24010), (3920, 21266), (4340, 19208), (4802, 17360), (4960, 16807), (5488, 15190), (6076, 13720), (6860, 12152), (6944, 12005), (7595, 10976), (7840, 10633), (8680, 9604)]