66994760

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:308

約数の個数: 128

約数和(自身を含む): 185760000

約数和(自身を除く): 118765240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 95, 98, 133, 140, 152, 190, 196, 245, 257, 266, 280, 343, 380, 392, 490, 514, 532, 665, 686, 760, 931, 980, 1028, 1064, 1285, 1330, 1372, 1715, 1799, 1862, 1960, 2056, 2570, 2660, 2744, 3430, 3598, 3724, 4655, 4883, 5140, 5320, 6517, 6860, 7196, 7448, 8995, 9310, 9766, 10280, 12593, 13034, 13720, 14392, 17990, 18620, 19532, 24415, 25186, 26068, 32585, 34181, 35980, 37240, 39064, 48830, 50372, 52136, 62965, 65170, 68362, 71960, 88151, 97660, 100744, 125930, 130340, 136724, 170905, 176302, 195320, 239267, 251860, 260680, 273448, 341810, 352604, 440755, 478534, 503720, 683620, 705208, 881510, 957068, 1196335, 1367240, 1674869, 1763020, 1914136, 2392670, 3349738, 3526040, 4785340, 6699476, 8374345, 9570680, 13398952, 16748690, 33497380, 66994760]

約数ペア:

[(1, 66994760), (2, 33497380), (4, 16748690), (5, 13398952), (7, 9570680), (8, 8374345), (10, 6699476), (14, 4785340), (19, 3526040), (20, 3349738), (28, 2392670), (35, 1914136), (38, 1763020), (40, 1674869), (49, 1367240), (56, 1196335), (70, 957068), (76, 881510), (95, 705208), (98, 683620), (133, 503720), (140, 478534), (152, 440755), (190, 352604), (196, 341810), (245, 273448), (257, 260680), (266, 251860), (280, 239267), (343, 195320), (380, 176302), (392, 170905), (490, 136724), (514, 130340), (532, 125930), (665, 100744), (686, 97660), (760, 88151), (931, 71960), (980, 68362), (1028, 65170), (1064, 62965), (1285, 52136), (1330, 50372), (1372, 48830), (1715, 39064), (1799, 37240), (1862, 35980), (1960, 34181), (2056, 32585), (2570, 26068), (2660, 25186), (2744, 24415), (3430, 19532), (3598, 18620), (3724, 17990), (4655, 14392), (4883, 13720), (5140, 13034), (5320, 12593), (6517, 10280), (6860, 9766), (7196, 9310), (7448, 8995)]