1300880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:144

約数の個数: 80

約数和(自身を含む): 3642624

約数和(自身を除く): 2341744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 101, 112, 115, 140, 161, 184, 202, 230, 280, 322, 368, 404, 460, 505, 560, 644, 707, 805, 808, 920, 1010, 1288, 1414, 1610, 1616, 1840, 2020, 2323, 2576, 2828, 3220, 3535, 4040, 4646, 5656, 6440, 7070, 8080, 9292, 11312, 11615, 12880, 14140, 16261, 18584, 23230, 28280, 32522, 37168, 46460, 56560, 65044, 81305, 92920, 130088, 162610, 185840, 260176, 325220, 650440, 1300880]

約数ペア:

[(1, 1300880), (2, 650440), (4, 325220), (5, 260176), (7, 185840), (8, 162610), (10, 130088), (14, 92920), (16, 81305), (20, 65044), (23, 56560), (28, 46460), (35, 37168), (40, 32522), (46, 28280), (56, 23230), (70, 18584), (80, 16261), (92, 14140), (101, 12880), (112, 11615), (115, 11312), (140, 9292), (161, 8080), (184, 7070), (202, 6440), (230, 5656), (280, 4646), (322, 4040), (368, 3535), (404, 3220), (460, 2828), (505, 2576), (560, 2323), (644, 2020), (707, 1840), (805, 1616), (808, 1610), (920, 1414), (1010, 1288)]