85639120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:213

約数の個数: 160

約数和(自身を含む): 243555840

約数和(自身を除く): 157916720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 61, 70, 80, 92, 109, 112, 115, 122, 140, 161, 184, 218, 230, 244, 280, 305, 322, 368, 427, 436, 460, 488, 545, 560, 610, 644, 763, 805, 854, 872, 920, 976, 1090, 1220, 1288, 1403, 1526, 1610, 1708, 1744, 1840, 2135, 2180, 2440, 2507, 2576, 2806, 3052, 3220, 3416, 3815, 4270, 4360, 4880, 5014, 5612, 6104, 6440, 6649, 6832, 7015, 7630, 8540, 8720, 9821, 10028, 11224, 12208, 12535, 12880, 13298, 14030, 15260, 17080, 17549, 19642, 20056, 22448, 25070, 26596, 28060, 30520, 33245, 34160, 35098, 39284, 40112, 46543, 49105, 50140, 53192, 56120, 61040, 66490, 70196, 78568, 87745, 93086, 98210, 100280, 106384, 112240, 132980, 140392, 152927, 157136, 175490, 186172, 196420, 200560, 232715, 265960, 280784, 305854, 350980, 372344, 392840, 465430, 531920, 611708, 701960, 744688, 764635, 785680, 930860, 1070489, 1223416, 1403920, 1529270, 1861720, 2140978, 2446832, 3058540, 3723440, 4281956, 5352445, 6117080, 8563912, 10704890, 12234160, 17127824, 21409780, 42819560, 85639120]

約数ペア:

[(1, 85639120), (2, 42819560), (4, 21409780), (5, 17127824), (7, 12234160), (8, 10704890), (10, 8563912), (14, 6117080), (16, 5352445), (20, 4281956), (23, 3723440), (28, 3058540), (35, 2446832), (40, 2140978), (46, 1861720), (56, 1529270), (61, 1403920), (70, 1223416), (80, 1070489), (92, 930860), (109, 785680), (112, 764635), (115, 744688), (122, 701960), (140, 611708), (161, 531920), (184, 465430), (218, 392840), (230, 372344), (244, 350980), (280, 305854), (305, 280784), (322, 265960), (368, 232715), (427, 200560), (436, 196420), (460, 186172), (488, 175490), (545, 157136), (560, 152927), (610, 140392), (644, 132980), (763, 112240), (805, 106384), (854, 100280), (872, 98210), (920, 93086), (976, 87745), (1090, 78568), (1220, 70196), (1288, 66490), (1403, 61040), (1526, 56120), (1610, 53192), (1708, 50140), (1744, 49105), (1840, 46543), (2135, 40112), (2180, 39284), (2440, 35098), (2507, 34160), (2576, 33245), (2806, 30520), (3052, 28060), (3220, 26596), (3416, 25070), (3815, 22448), (4270, 20056), (4360, 19642), (4880, 17549), (5014, 17080), (5612, 15260), (6104, 14030), (6440, 13298), (6649, 12880), (6832, 12535), (7015, 12208), (7630, 11224), (8540, 10028), (8720, 9821)]