71269240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 193881600

約数和(自身を除く): 122612360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 67, 70, 116, 131, 134, 140, 145, 203, 232, 262, 268, 280, 290, 335, 406, 469, 524, 536, 580, 655, 670, 812, 917, 938, 1015, 1048, 1160, 1310, 1340, 1624, 1834, 1876, 1943, 2030, 2345, 2620, 2680, 3668, 3752, 3799, 3886, 4060, 4585, 4690, 5240, 7336, 7598, 7772, 8120, 8777, 9170, 9380, 9715, 13601, 15196, 15544, 17554, 18340, 18760, 18995, 19430, 26593, 27202, 30392, 35108, 36680, 37990, 38860, 43885, 53186, 54404, 61439, 68005, 70216, 75980, 77720, 87770, 106372, 108808, 122878, 132965, 136010, 151960, 175540, 212744, 245756, 254533, 265930, 272020, 307195, 351080, 491512, 509066, 531860, 544040, 614390, 1018132, 1063720, 1228780, 1272665, 1781731, 2036264, 2457560, 2545330, 3563462, 5090660, 7126924, 8908655, 10181320, 14253848, 17817310, 35634620, 71269240]

約数ペア:

[(1, 71269240), (2, 35634620), (4, 17817310), (5, 14253848), (7, 10181320), (8, 8908655), (10, 7126924), (14, 5090660), (20, 3563462), (28, 2545330), (29, 2457560), (35, 2036264), (40, 1781731), (56, 1272665), (58, 1228780), (67, 1063720), (70, 1018132), (116, 614390), (131, 544040), (134, 531860), (140, 509066), (145, 491512), (203, 351080), (232, 307195), (262, 272020), (268, 265930), (280, 254533), (290, 245756), (335, 212744), (406, 175540), (469, 151960), (524, 136010), (536, 132965), (580, 122878), (655, 108808), (670, 106372), (812, 87770), (917, 77720), (938, 75980), (1015, 70216), (1048, 68005), (1160, 61439), (1310, 54404), (1340, 53186), (1624, 43885), (1834, 38860), (1876, 37990), (1943, 36680), (2030, 35108), (2345, 30392), (2620, 27202), (2680, 26593), (3668, 19430), (3752, 18995), (3799, 18760), (3886, 18340), (4060, 17554), (4585, 15544), (4690, 15196), (5240, 13601), (7336, 9715), (7598, 9380), (7772, 9170), (8120, 8777)]