39974520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 125706240

約数和(自身を除く): 85731720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 61, 86, 120, 122, 127, 129, 172, 183, 215, 244, 254, 258, 305, 344, 366, 381, 430, 488, 508, 516, 610, 635, 645, 732, 762, 860, 915, 1016, 1032, 1220, 1270, 1290, 1464, 1524, 1720, 1830, 1905, 2440, 2540, 2580, 2623, 3048, 3660, 3810, 5080, 5160, 5246, 5461, 7320, 7620, 7747, 7869, 10492, 10922, 13115, 15240, 15494, 15738, 16383, 20984, 21844, 23241, 26230, 27305, 30988, 31476, 32766, 38735, 39345, 43688, 46482, 52460, 54610, 61976, 62952, 65532, 77470, 78690, 81915, 92964, 104920, 109220, 116205, 131064, 154940, 157380, 163830, 185928, 218440, 232410, 309880, 314760, 327660, 333121, 464820, 655320, 666242, 929640, 999363, 1332484, 1665605, 1998726, 2664968, 3331210, 3997452, 4996815, 6662420, 7994904, 9993630, 13324840, 19987260, 39974520]

約数ペア:

[(1, 39974520), (2, 19987260), (3, 13324840), (4, 9993630), (5, 7994904), (6, 6662420), (8, 4996815), (10, 3997452), (12, 3331210), (15, 2664968), (20, 1998726), (24, 1665605), (30, 1332484), (40, 999363), (43, 929640), (60, 666242), (61, 655320), (86, 464820), (120, 333121), (122, 327660), (127, 314760), (129, 309880), (172, 232410), (183, 218440), (215, 185928), (244, 163830), (254, 157380), (258, 154940), (305, 131064), (344, 116205), (366, 109220), (381, 104920), (430, 92964), (488, 81915), (508, 78690), (516, 77470), (610, 65532), (635, 62952), (645, 61976), (732, 54610), (762, 52460), (860, 46482), (915, 43688), (1016, 39345), (1032, 38735), (1220, 32766), (1270, 31476), (1290, 30988), (1464, 27305), (1524, 26230), (1720, 23241), (1830, 21844), (1905, 20984), (2440, 16383), (2540, 15738), (2580, 15494), (2623, 15240), (3048, 13115), (3660, 10922), (3810, 10492), (5080, 7869), (5160, 7747), (5246, 7620), (5461, 7320)]