30706720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:338

約数の個数: 96

約数和(自身を含む): 80559360

約数和(自身を除く): 49852640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 73, 80, 88, 110, 146, 160, 176, 220, 239, 292, 352, 365, 440, 478, 584, 730, 803, 880, 956, 1168, 1195, 1460, 1606, 1760, 1912, 2336, 2390, 2629, 2920, 3212, 3824, 4015, 4780, 5258, 5840, 6424, 7648, 8030, 9560, 10516, 11680, 12848, 13145, 16060, 17447, 19120, 21032, 25696, 26290, 32120, 34894, 38240, 42064, 52580, 64240, 69788, 84128, 87235, 105160, 128480, 139576, 174470, 191917, 210320, 279152, 348940, 383834, 420640, 558304, 697880, 767668, 959585, 1395760, 1535336, 1919170, 2791520, 3070672, 3838340, 6141344, 7676680, 15353360, 30706720]

約数ペア:

[(1, 30706720), (2, 15353360), (4, 7676680), (5, 6141344), (8, 3838340), (10, 3070672), (11, 2791520), (16, 1919170), (20, 1535336), (22, 1395760), (32, 959585), (40, 767668), (44, 697880), (55, 558304), (73, 420640), (80, 383834), (88, 348940), (110, 279152), (146, 210320), (160, 191917), (176, 174470), (220, 139576), (239, 128480), (292, 105160), (352, 87235), (365, 84128), (440, 69788), (478, 64240), (584, 52580), (730, 42064), (803, 38240), (880, 34894), (956, 32120), (1168, 26290), (1195, 25696), (1460, 21032), (1606, 19120), (1760, 17447), (1912, 16060), (2336, 13145), (2390, 12848), (2629, 11680), (2920, 10516), (3212, 9560), (3824, 8030), (4015, 7648), (4780, 6424), (5258, 5840)]