209413080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2731}}^1$

素因数の和:2822

約数の個数: 128

約数和(自身を含む): 708134400

約数和(自身を除く): 498721320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 71, 72, 90, 108, 120, 135, 142, 180, 213, 216, 270, 284, 355, 360, 426, 540, 568, 639, 710, 852, 1065, 1080, 1278, 1420, 1704, 1917, 2130, 2556, 2731, 2840, 3195, 3834, 4260, 5112, 5462, 6390, 7668, 8193, 8520, 9585, 10924, 12780, 13655, 15336, 16386, 19170, 21848, 24579, 25560, 27310, 32772, 38340, 40965, 49158, 54620, 65544, 73737, 76680, 81930, 98316, 109240, 122895, 147474, 163860, 193901, 196632, 245790, 294948, 327720, 368685, 387802, 491580, 581703, 589896, 737370, 775604, 969505, 983160, 1163406, 1474740, 1551208, 1745109, 1939010, 2326812, 2908515, 2949480, 3490218, 3878020, 4653624, 5235327, 5817030, 6980436, 7756040, 8725545, 10470654, 11634060, 13960872, 17451090, 20941308, 23268120, 26176635, 34902180, 41882616, 52353270, 69804360, 104706540, 209413080]

約数ペア:

[(1, 209413080), (2, 104706540), (3, 69804360), (4, 52353270), (5, 41882616), (6, 34902180), (8, 26176635), (9, 23268120), (10, 20941308), (12, 17451090), (15, 13960872), (18, 11634060), (20, 10470654), (24, 8725545), (27, 7756040), (30, 6980436), (36, 5817030), (40, 5235327), (45, 4653624), (54, 3878020), (60, 3490218), (71, 2949480), (72, 2908515), (90, 2326812), (108, 1939010), (120, 1745109), (135, 1551208), (142, 1474740), (180, 1163406), (213, 983160), (216, 969505), (270, 775604), (284, 737370), (355, 589896), (360, 581703), (426, 491580), (540, 387802), (568, 368685), (639, 327720), (710, 294948), (852, 245790), (1065, 196632), (1080, 193901), (1278, 163860), (1420, 147474), (1704, 122895), (1917, 109240), (2130, 98316), (2556, 81930), (2731, 76680), (2840, 73737), (3195, 65544), (3834, 54620), (4260, 49158), (5112, 40965), (5462, 38340), (6390, 32772), (7668, 27310), (8193, 25560), (8520, 24579), (9585, 21848), (10924, 19170), (12780, 16386), (13655, 15336)]