257168070

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{337}}^1$

素因数の和:550

約数の個数: 96

約数和(自身を含む): 686518560

約数和(自身を除く): 429350490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 139, 183, 278, 305, 337, 366, 417, 549, 610, 674, 695, 834, 915, 1011, 1098, 1251, 1390, 1685, 1830, 2022, 2085, 2502, 2745, 3033, 3370, 4170, 5055, 5490, 6066, 6255, 8479, 10110, 12510, 15165, 16958, 20557, 25437, 30330, 41114, 42395, 46843, 50874, 61671, 76311, 84790, 93686, 102785, 123342, 127185, 140529, 152622, 185013, 205570, 234215, 254370, 281058, 308355, 370026, 381555, 421587, 468430, 616710, 702645, 763110, 843174, 925065, 1405290, 1850130, 2107935, 2857423, 4215870, 5714846, 8572269, 14287115, 17144538, 25716807, 28574230, 42861345, 51433614, 85722690, 128584035, 257168070]

約数ペア:

[(1, 257168070), (2, 128584035), (3, 85722690), (5, 51433614), (6, 42861345), (9, 28574230), (10, 25716807), (15, 17144538), (18, 14287115), (30, 8572269), (45, 5714846), (61, 4215870), (90, 2857423), (122, 2107935), (139, 1850130), (183, 1405290), (278, 925065), (305, 843174), (337, 763110), (366, 702645), (417, 616710), (549, 468430), (610, 421587), (674, 381555), (695, 370026), (834, 308355), (915, 281058), (1011, 254370), (1098, 234215), (1251, 205570), (1390, 185013), (1685, 152622), (1830, 140529), (2022, 127185), (2085, 123342), (2502, 102785), (2745, 93686), (3033, 84790), (3370, 76311), (4170, 61671), (5055, 50874), (5490, 46843), (6066, 42395), (6255, 41114), (8479, 30330), (10110, 25437), (12510, 20557), (15165, 16958)]