207567780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{37}}^2$

素因数の和:131

約数の個数: 216

約数和(自身を含む): 720474048

約数和(自身を除く): 512906268

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 37, 38, 42, 57, 60, 70, 74, 76, 84, 95, 105, 111, 114, 133, 140, 148, 185, 190, 210, 222, 228, 259, 266, 285, 361, 370, 380, 399, 420, 444, 518, 532, 555, 570, 665, 703, 722, 740, 777, 798, 1036, 1083, 1110, 1140, 1295, 1330, 1369, 1406, 1444, 1554, 1596, 1805, 1995, 2109, 2166, 2220, 2527, 2590, 2660, 2738, 2812, 3108, 3515, 3610, 3885, 3990, 4107, 4218, 4332, 4921, 5054, 5180, 5415, 5476, 6845, 7030, 7220, 7581, 7770, 7980, 8214, 8436, 9583, 9842, 10108, 10545, 10830, 12635, 13357, 13690, 14060, 14763, 15162, 15540, 16428, 19166, 19684, 20535, 21090, 21660, 24605, 25270, 26011, 26714, 27380, 28749, 29526, 30324, 37905, 38332, 40071, 41070, 42180, 47915, 49210, 50540, 52022, 53428, 57498, 59052, 66785, 73815, 75810, 78033, 80142, 82140, 93499, 95830, 98420, 104044, 114996, 130055, 133570, 143745, 147630, 151620, 156066, 160284, 182077, 186998, 191660, 200355, 260110, 267140, 280497, 287490, 295260, 312132, 364154, 373996, 390165, 400710, 467495, 494209, 520220, 546231, 560994, 574980, 728308, 780330, 801420, 910385, 934990, 988418, 1092462, 1121988, 1402485, 1482627, 1560660, 1820770, 1869980, 1976836, 2184924, 2471045, 2731155, 2804970, 2965254, 3459463, 3641540, 4942090, 5462310, 5609940, 5930508, 6918926, 7413135, 9884180, 10378389, 10924620, 13837852, 14826270, 17297315, 20756778, 29652540, 34594630, 41513556, 51891945, 69189260, 103783890, 207567780]

約数ペア:

[(1, 207567780), (2, 103783890), (3, 69189260), (4, 51891945), (5, 41513556), (6, 34594630), (7, 29652540), (10, 20756778), (12, 17297315), (14, 14826270), (15, 13837852), (19, 10924620), (20, 10378389), (21, 9884180), (28, 7413135), (30, 6918926), (35, 5930508), (37, 5609940), (38, 5462310), (42, 4942090), (57, 3641540), (60, 3459463), (70, 2965254), (74, 2804970), (76, 2731155), (84, 2471045), (95, 2184924), (105, 1976836), (111, 1869980), (114, 1820770), (133, 1560660), (140, 1482627), (148, 1402485), (185, 1121988), (190, 1092462), (210, 988418), (222, 934990), (228, 910385), (259, 801420), (266, 780330), (285, 728308), (361, 574980), (370, 560994), (380, 546231), (399, 520220), (420, 494209), (444, 467495), (518, 400710), (532, 390165), (555, 373996), (570, 364154), (665, 312132), (703, 295260), (722, 287490), (740, 280497), (777, 267140), (798, 260110), (1036, 200355), (1083, 191660), (1110, 186998), (1140, 182077), (1295, 160284), (1330, 156066), (1369, 151620), (1406, 147630), (1444, 143745), (1554, 133570), (1596, 130055), (1805, 114996), (1995, 104044), (2109, 98420), (2166, 95830), (2220, 93499), (2527, 82140), (2590, 80142), (2660, 78033), (2738, 75810), (2812, 73815), (3108, 66785), (3515, 59052), (3610, 57498), (3885, 53428), (3990, 52022), (4107, 50540), (4218, 49210), (4332, 47915), (4921, 42180), (5054, 41070), (5180, 40071), (5415, 38332), (5476, 37905), (6845, 30324), (7030, 29526), (7220, 28749), (7581, 27380), (7770, 26714), (7980, 26011), (8214, 25270), (8436, 24605), (9583, 21660), (9842, 21090), (10108, 20535), (10545, 19684), (10830, 19166), (12635, 16428), (13357, 15540), (13690, 15162), (14060, 14763)]