257133030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{709}}^1$

素因数の和:894

約数の個数: 128

約数和(自身を含む): 775388160

約数和(自身を除く): 518255130

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 154, 157, 165, 210, 231, 314, 330, 385, 462, 471, 709, 770, 785, 942, 1099, 1155, 1418, 1570, 1727, 2127, 2198, 2310, 2355, 3297, 3454, 3545, 4254, 4710, 4963, 5181, 5495, 6594, 7090, 7799, 8635, 9926, 10362, 10635, 10990, 12089, 14889, 15598, 16485, 17270, 21270, 23397, 24178, 24815, 25905, 29778, 32970, 36267, 38995, 46794, 49630, 51810, 54593, 60445, 72534, 74445, 77990, 109186, 111313, 116985, 120890, 148890, 163779, 181335, 222626, 233970, 272965, 327558, 333939, 362670, 545930, 556565, 667878, 779191, 818895, 1113130, 1224443, 1558382, 1637790, 1669695, 2337573, 2448886, 3339390, 3673329, 3895955, 4675146, 6122215, 7346658, 7791910, 8571101, 11687865, 12244430, 17142202, 18366645, 23375730, 25713303, 36733290, 42855505, 51426606, 85711010, 128566515, 257133030]

約数ペア:

[(1, 257133030), (2, 128566515), (3, 85711010), (5, 51426606), (6, 42855505), (7, 36733290), (10, 25713303), (11, 23375730), (14, 18366645), (15, 17142202), (21, 12244430), (22, 11687865), (30, 8571101), (33, 7791910), (35, 7346658), (42, 6122215), (55, 4675146), (66, 3895955), (70, 3673329), (77, 3339390), (105, 2448886), (110, 2337573), (154, 1669695), (157, 1637790), (165, 1558382), (210, 1224443), (231, 1113130), (314, 818895), (330, 779191), (385, 667878), (462, 556565), (471, 545930), (709, 362670), (770, 333939), (785, 327558), (942, 272965), (1099, 233970), (1155, 222626), (1418, 181335), (1570, 163779), (1727, 148890), (2127, 120890), (2198, 116985), (2310, 111313), (2355, 109186), (3297, 77990), (3454, 74445), (3545, 72534), (4254, 60445), (4710, 54593), (4963, 51810), (5181, 49630), (5495, 46794), (6594, 38995), (7090, 36267), (7799, 32970), (8635, 29778), (9926, 25905), (10362, 24815), (10635, 24178), (10990, 23397), (12089, 21270), (14889, 17270), (15598, 16485)]