1688643440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83431}}^1$

素因数の和:83478

約数の個数: 80

約数和(自身を含む): 4469285376

約数和(自身を除く): 2780641936

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 880, 920, 1012, 1265, 1840, 2024, 2530, 4048, 5060, 10120, 20240, 83431, 166862, 333724, 417155, 667448, 834310, 917741, 1334896, 1668620, 1835482, 1918913, 3337240, 3670964, 3837826, 4588705, 6674480, 7341928, 7675652, 9177410, 9594565, 14683856, 15351304, 18354820, 19189130, 21108043, 30702608, 36709640, 38378260, 42216086, 73419280, 76756520, 84432172, 105540215, 153513040, 168864344, 211080430, 337728688, 422160860, 844321720, 1688643440]

約数ペア:

[(1, 1688643440), (2, 844321720), (4, 422160860), (5, 337728688), (8, 211080430), (10, 168864344), (11, 153513040), (16, 105540215), (20, 84432172), (22, 76756520), (23, 73419280), (40, 42216086), (44, 38378260), (46, 36709640), (55, 30702608), (80, 21108043), (88, 19189130), (92, 18354820), (110, 15351304), (115, 14683856), (176, 9594565), (184, 9177410), (220, 7675652), (230, 7341928), (253, 6674480), (368, 4588705), (440, 3837826), (460, 3670964), (506, 3337240), (880, 1918913), (920, 1835482), (1012, 1668620), (1265, 1334896), (1840, 917741), (2024, 834310), (2530, 667448), (4048, 417155), (5060, 333724), (10120, 166862), (20240, 83431)]