207577240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:297

約数の個数: 128

約数和(自身を含む): 528998400

約数和(自身を除く): 321421160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 79, 104, 124, 130, 155, 158, 163, 248, 260, 310, 316, 326, 395, 403, 520, 620, 632, 652, 790, 806, 815, 1027, 1240, 1304, 1580, 1612, 1630, 2015, 2054, 2119, 2449, 3160, 3224, 3260, 4030, 4108, 4238, 4898, 5053, 5135, 6520, 8060, 8216, 8476, 9796, 10106, 10270, 10595, 12245, 12877, 16120, 16952, 19592, 20212, 20540, 21190, 24490, 25265, 25754, 31837, 40424, 41080, 42380, 48980, 50530, 51508, 63674, 64385, 65689, 84760, 97960, 101060, 103016, 127348, 128770, 131378, 159185, 167401, 202120, 254696, 257540, 262756, 318370, 328445, 334802, 399187, 515080, 525512, 636740, 656890, 669604, 798374, 837005, 1273480, 1313780, 1339208, 1596748, 1674010, 1995935, 2627560, 3193496, 3348020, 3991870, 5189431, 6696040, 7983740, 10378862, 15967480, 20757724, 25947155, 41515448, 51894310, 103788620, 207577240]

約数ペア:

[(1, 207577240), (2, 103788620), (4, 51894310), (5, 41515448), (8, 25947155), (10, 20757724), (13, 15967480), (20, 10378862), (26, 7983740), (31, 6696040), (40, 5189431), (52, 3991870), (62, 3348020), (65, 3193496), (79, 2627560), (104, 1995935), (124, 1674010), (130, 1596748), (155, 1339208), (158, 1313780), (163, 1273480), (248, 837005), (260, 798374), (310, 669604), (316, 656890), (326, 636740), (395, 525512), (403, 515080), (520, 399187), (620, 334802), (632, 328445), (652, 318370), (790, 262756), (806, 257540), (815, 254696), (1027, 202120), (1240, 167401), (1304, 159185), (1580, 131378), (1612, 128770), (1630, 127348), (2015, 103016), (2054, 101060), (2119, 97960), (2449, 84760), (3160, 65689), (3224, 64385), (3260, 63674), (4030, 51508), (4108, 50530), (4238, 48980), (4898, 42380), (5053, 41080), (5135, 40424), (6520, 31837), (8060, 25754), (8216, 25265), (8476, 24490), (9796, 21190), (10106, 20540), (10270, 20212), (10595, 19592), (12245, 16952), (12877, 16120)]