785680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:104

約数の個数: 80

約数和(自身を含む): 2214144

約数和(自身を除く): 1428464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 61, 70, 80, 92, 112, 115, 122, 140, 161, 184, 230, 244, 280, 305, 322, 368, 427, 460, 488, 560, 610, 644, 805, 854, 920, 976, 1220, 1288, 1403, 1610, 1708, 1840, 2135, 2440, 2576, 2806, 3220, 3416, 4270, 4880, 5612, 6440, 6832, 7015, 8540, 9821, 11224, 12880, 14030, 17080, 19642, 22448, 28060, 34160, 39284, 49105, 56120, 78568, 98210, 112240, 157136, 196420, 392840, 785680]

約数ペア:

[(1, 785680), (2, 392840), (4, 196420), (5, 157136), (7, 112240), (8, 98210), (10, 78568), (14, 56120), (16, 49105), (20, 39284), (23, 34160), (28, 28060), (35, 22448), (40, 19642), (46, 17080), (56, 14030), (61, 12880), (70, 11224), (80, 9821), (92, 8540), (112, 7015), (115, 6832), (122, 6440), (140, 5612), (161, 4880), (184, 4270), (230, 3416), (244, 3220), (280, 2806), (305, 2576), (322, 2440), (368, 2135), (427, 1840), (460, 1708), (488, 1610), (560, 1403), (610, 1288), (644, 1220), (805, 976), (854, 920)]