12690320

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:180

約数の個数: 80

約数和(自身を含む): 31216752

約数和(自身を除く): 18526432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 53, 73, 80, 82, 106, 146, 164, 205, 212, 265, 292, 328, 365, 410, 424, 530, 584, 656, 730, 820, 848, 1060, 1168, 1460, 1640, 2120, 2173, 2920, 2993, 3280, 3869, 4240, 4346, 5840, 5986, 7738, 8692, 10865, 11972, 14965, 15476, 17384, 19345, 21730, 23944, 29930, 30952, 34768, 38690, 43460, 47888, 59860, 61904, 77380, 86920, 119720, 154760, 158629, 173840, 239440, 309520, 317258, 634516, 793145, 1269032, 1586290, 2538064, 3172580, 6345160, 12690320]

約数ペア:

[(1, 12690320), (2, 6345160), (4, 3172580), (5, 2538064), (8, 1586290), (10, 1269032), (16, 793145), (20, 634516), (40, 317258), (41, 309520), (53, 239440), (73, 173840), (80, 158629), (82, 154760), (106, 119720), (146, 86920), (164, 77380), (205, 61904), (212, 59860), (265, 47888), (292, 43460), (328, 38690), (365, 34768), (410, 30952), (424, 29930), (530, 23944), (584, 21730), (656, 19345), (730, 17384), (820, 15476), (848, 14965), (1060, 11972), (1168, 10865), (1460, 8692), (1640, 7738), (2120, 5986), (2173, 5840), (2920, 4346), (2993, 4240), (3280, 3869)]