71458240

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:139

約数の個数: 224

約数和(自身を含む): 216529920

約数和(自身を除く): 145071680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 23, 28, 32, 35, 38, 40, 46, 56, 64, 70, 73, 76, 80, 92, 95, 112, 115, 133, 140, 146, 152, 160, 161, 184, 190, 224, 230, 266, 280, 292, 304, 320, 322, 365, 368, 380, 437, 448, 460, 511, 532, 560, 584, 608, 644, 665, 730, 736, 760, 805, 874, 920, 1022, 1064, 1120, 1168, 1216, 1288, 1330, 1387, 1460, 1472, 1520, 1610, 1679, 1748, 1840, 2044, 2128, 2185, 2240, 2336, 2555, 2576, 2660, 2774, 2920, 3040, 3059, 3220, 3358, 3496, 3680, 4088, 4256, 4370, 4672, 5110, 5152, 5320, 5548, 5840, 6080, 6118, 6440, 6716, 6935, 6992, 7360, 8176, 8395, 8512, 8740, 9709, 10220, 10304, 10640, 11096, 11680, 11753, 12236, 12880, 13432, 13870, 13984, 15295, 16352, 16790, 17480, 19418, 20440, 21280, 22192, 23360, 23506, 24472, 25760, 26864, 27740, 27968, 30590, 31901, 32704, 33580, 34960, 38836, 40880, 42560, 44384, 47012, 48545, 48944, 51520, 53728, 55480, 58765, 61180, 63802, 67160, 69920, 77672, 81760, 88768, 94024, 97090, 97888, 107456, 110960, 117530, 122360, 127604, 134320, 139840, 155344, 159505, 163520, 188048, 194180, 195776, 221920, 223307, 235060, 244720, 255208, 268640, 310688, 319010, 376096, 388360, 443840, 446614, 470120, 489440, 510416, 537280, 621376, 638020, 752192, 776720, 893228, 940240, 978880, 1020832, 1116535, 1276040, 1553440, 1786456, 1880480, 2041664, 2233070, 2552080, 3106880, 3572912, 3760960, 4466140, 5104160, 7145824, 8932280, 10208320, 14291648, 17864560, 35729120, 71458240]

約数ペア:

[(1, 71458240), (2, 35729120), (4, 17864560), (5, 14291648), (7, 10208320), (8, 8932280), (10, 7145824), (14, 5104160), (16, 4466140), (19, 3760960), (20, 3572912), (23, 3106880), (28, 2552080), (32, 2233070), (35, 2041664), (38, 1880480), (40, 1786456), (46, 1553440), (56, 1276040), (64, 1116535), (70, 1020832), (73, 978880), (76, 940240), (80, 893228), (92, 776720), (95, 752192), (112, 638020), (115, 621376), (133, 537280), (140, 510416), (146, 489440), (152, 470120), (160, 446614), (161, 443840), (184, 388360), (190, 376096), (224, 319010), (230, 310688), (266, 268640), (280, 255208), (292, 244720), (304, 235060), (320, 223307), (322, 221920), (365, 195776), (368, 194180), (380, 188048), (437, 163520), (448, 159505), (460, 155344), (511, 139840), (532, 134320), (560, 127604), (584, 122360), (608, 117530), (644, 110960), (665, 107456), (730, 97888), (736, 97090), (760, 94024), (805, 88768), (874, 81760), (920, 77672), (1022, 69920), (1064, 67160), (1120, 63802), (1168, 61180), (1216, 58765), (1288, 55480), (1330, 53728), (1387, 51520), (1460, 48944), (1472, 48545), (1520, 47012), (1610, 44384), (1679, 42560), (1748, 40880), (1840, 38836), (2044, 34960), (2128, 33580), (2185, 32704), (2240, 31901), (2336, 30590), (2555, 27968), (2576, 27740), (2660, 26864), (2774, 25760), (2920, 24472), (3040, 23506), (3059, 23360), (3220, 22192), (3358, 21280), (3496, 20440), (3680, 19418), (4088, 17480), (4256, 16790), (4370, 16352), (4672, 15295), (5110, 13984), (5152, 13870), (5320, 13432), (5548, 12880), (5840, 12236), (6080, 11753), (6118, 11680), (6440, 11096), (6716, 10640), (6935, 10304), (6992, 10220), (7360, 9709), (8176, 8740), (8395, 8512)]