164381840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:625

約数の個数: 160

約数和(自身を含む): 478255104

約数和(自身を除く): 313873264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 31, 34, 35, 40, 56, 62, 68, 70, 80, 85, 112, 119, 124, 136, 140, 155, 170, 217, 238, 248, 272, 280, 310, 340, 434, 476, 496, 527, 557, 560, 595, 620, 680, 868, 952, 1054, 1085, 1114, 1190, 1240, 1360, 1736, 1904, 2108, 2170, 2228, 2380, 2480, 2635, 2785, 3472, 3689, 3899, 4216, 4340, 4456, 4760, 5270, 5570, 7378, 7798, 8432, 8680, 8912, 9469, 9520, 10540, 11140, 14756, 15596, 17267, 17360, 18445, 18938, 19495, 21080, 22280, 29512, 31192, 34534, 36890, 37876, 38990, 42160, 44560, 47345, 59024, 62384, 66283, 69068, 73780, 75752, 77980, 86335, 94690, 120869, 132566, 138136, 147560, 151504, 155960, 172670, 189380, 241738, 265132, 276272, 293539, 295120, 311920, 331415, 345340, 378760, 483476, 530264, 587078, 604345, 662830, 690680, 757520, 966952, 1060528, 1174156, 1208690, 1325660, 1381360, 1467695, 1933904, 2054773, 2348312, 2417380, 2651320, 2935390, 4109546, 4696624, 4834760, 5302640, 5870780, 8219092, 9669520, 10273865, 11741560, 16438184, 20547730, 23483120, 32876368, 41095460, 82190920, 164381840]

約数ペア:

[(1, 164381840), (2, 82190920), (4, 41095460), (5, 32876368), (7, 23483120), (8, 20547730), (10, 16438184), (14, 11741560), (16, 10273865), (17, 9669520), (20, 8219092), (28, 5870780), (31, 5302640), (34, 4834760), (35, 4696624), (40, 4109546), (56, 2935390), (62, 2651320), (68, 2417380), (70, 2348312), (80, 2054773), (85, 1933904), (112, 1467695), (119, 1381360), (124, 1325660), (136, 1208690), (140, 1174156), (155, 1060528), (170, 966952), (217, 757520), (238, 690680), (248, 662830), (272, 604345), (280, 587078), (310, 530264), (340, 483476), (434, 378760), (476, 345340), (496, 331415), (527, 311920), (557, 295120), (560, 293539), (595, 276272), (620, 265132), (680, 241738), (868, 189380), (952, 172670), (1054, 155960), (1085, 151504), (1114, 147560), (1190, 138136), (1240, 132566), (1360, 120869), (1736, 94690), (1904, 86335), (2108, 77980), (2170, 75752), (2228, 73780), (2380, 69068), (2480, 66283), (2635, 62384), (2785, 59024), (3472, 47345), (3689, 44560), (3899, 42160), (4216, 38990), (4340, 37876), (4456, 36890), (4760, 34534), (5270, 31192), (5570, 29512), (7378, 22280), (7798, 21080), (8432, 19495), (8680, 18938), (8912, 18445), (9469, 17360), (9520, 17267), (10540, 15596), (11140, 14756)]