271966720

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:226

約数の個数: 160

約数和(自身を含む): 707097600

約数和(自身を除く): 435130880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 46, 62, 64, 80, 92, 115, 124, 128, 149, 155, 160, 184, 230, 248, 256, 298, 310, 320, 368, 460, 496, 512, 596, 620, 640, 713, 736, 745, 920, 992, 1192, 1240, 1280, 1426, 1472, 1490, 1840, 1984, 2384, 2480, 2560, 2852, 2944, 2980, 3427, 3565, 3680, 3968, 4619, 4768, 4960, 5704, 5888, 5960, 6854, 7130, 7360, 7936, 9238, 9536, 9920, 11408, 11776, 11920, 13708, 14260, 14720, 15872, 17135, 18476, 19072, 19840, 22816, 23095, 23840, 27416, 28520, 29440, 34270, 36952, 38144, 39680, 45632, 46190, 47680, 54832, 57040, 58880, 68540, 73904, 76288, 79360, 91264, 92380, 95360, 106237, 109664, 114080, 137080, 147808, 182528, 184760, 190720, 212474, 219328, 228160, 274160, 295616, 365056, 369520, 381440, 424948, 438656, 456320, 531185, 548320, 591232, 739040, 849896, 877312, 912640, 1062370, 1096640, 1182464, 1478080, 1699792, 1754624, 1825280, 2124740, 2193280, 2364928, 2956160, 3399584, 4249480, 4386560, 5912320, 6799168, 8498960, 8773120, 11824640, 13598336, 16997920, 27196672, 33995840, 54393344, 67991680, 135983360, 271966720]

約数ペア:

[(1, 271966720), (2, 135983360), (4, 67991680), (5, 54393344), (8, 33995840), (10, 27196672), (16, 16997920), (20, 13598336), (23, 11824640), (31, 8773120), (32, 8498960), (40, 6799168), (46, 5912320), (62, 4386560), (64, 4249480), (80, 3399584), (92, 2956160), (115, 2364928), (124, 2193280), (128, 2124740), (149, 1825280), (155, 1754624), (160, 1699792), (184, 1478080), (230, 1182464), (248, 1096640), (256, 1062370), (298, 912640), (310, 877312), (320, 849896), (368, 739040), (460, 591232), (496, 548320), (512, 531185), (596, 456320), (620, 438656), (640, 424948), (713, 381440), (736, 369520), (745, 365056), (920, 295616), (992, 274160), (1192, 228160), (1240, 219328), (1280, 212474), (1426, 190720), (1472, 184760), (1490, 182528), (1840, 147808), (1984, 137080), (2384, 114080), (2480, 109664), (2560, 106237), (2852, 95360), (2944, 92380), (2980, 91264), (3427, 79360), (3565, 76288), (3680, 73904), (3968, 68540), (4619, 58880), (4768, 57040), (4960, 54832), (5704, 47680), (5888, 46190), (5960, 45632), (6854, 39680), (7130, 38144), (7360, 36952), (7936, 34270), (9238, 29440), (9536, 28520), (9920, 27416), (11408, 23840), (11776, 23095), (11920, 22816), (13708, 19840), (14260, 19072), (14720, 18476), (15872, 17135)]