405943920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2647}}^1$

素因数の和:2740

約数の個数: 160

約数和(自身を含む): 1418480640

約数和(自身を除く): 1012536720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 71, 72, 80, 90, 108, 120, 135, 142, 144, 180, 213, 216, 240, 270, 284, 355, 360, 426, 432, 540, 568, 639, 710, 720, 852, 1065, 1080, 1136, 1278, 1420, 1704, 1917, 2130, 2160, 2556, 2647, 2840, 3195, 3408, 3834, 4260, 5112, 5294, 5680, 6390, 7668, 7941, 8520, 9585, 10224, 10588, 12780, 13235, 15336, 15882, 17040, 19170, 21176, 23823, 25560, 26470, 30672, 31764, 38340, 39705, 42352, 47646, 51120, 52940, 63528, 71469, 76680, 79410, 95292, 105880, 119115, 127056, 142938, 153360, 158820, 187937, 190584, 211760, 238230, 285876, 317640, 357345, 375874, 381168, 476460, 563811, 571752, 635280, 714690, 751748, 939685, 952920, 1127622, 1143504, 1429380, 1503496, 1691433, 1879370, 1905840, 2255244, 2819055, 2858760, 3006992, 3382866, 3758740, 4510488, 5074299, 5638110, 5717520, 6765732, 7517480, 8457165, 9020976, 10148598, 11276220, 13531464, 15034960, 16914330, 20297196, 22552440, 25371495, 27062928, 33828660, 40594392, 45104880, 50742990, 67657320, 81188784, 101485980, 135314640, 202971960, 405943920]

約数ペア:

[(1, 405943920), (2, 202971960), (3, 135314640), (4, 101485980), (5, 81188784), (6, 67657320), (8, 50742990), (9, 45104880), (10, 40594392), (12, 33828660), (15, 27062928), (16, 25371495), (18, 22552440), (20, 20297196), (24, 16914330), (27, 15034960), (30, 13531464), (36, 11276220), (40, 10148598), (45, 9020976), (48, 8457165), (54, 7517480), (60, 6765732), (71, 5717520), (72, 5638110), (80, 5074299), (90, 4510488), (108, 3758740), (120, 3382866), (135, 3006992), (142, 2858760), (144, 2819055), (180, 2255244), (213, 1905840), (216, 1879370), (240, 1691433), (270, 1503496), (284, 1429380), (355, 1143504), (360, 1127622), (426, 952920), (432, 939685), (540, 751748), (568, 714690), (639, 635280), (710, 571752), (720, 563811), (852, 476460), (1065, 381168), (1080, 375874), (1136, 357345), (1278, 317640), (1420, 285876), (1704, 238230), (1917, 211760), (2130, 190584), (2160, 187937), (2556, 158820), (2647, 153360), (2840, 142938), (3195, 127056), (3408, 119115), (3834, 105880), (4260, 95292), (5112, 79410), (5294, 76680), (5680, 71469), (6390, 63528), (7668, 52940), (7941, 51120), (8520, 47646), (9585, 42352), (10224, 39705), (10588, 38340), (12780, 31764), (13235, 30672), (15336, 26470), (15882, 25560), (17040, 23823), (19170, 21176)]