38660720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:199

約数の個数: 160

約数和(自身を含む): 113135616

約数和(自身を除く): 74474896

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, 131, 136, 140, 155, 170, 217, 238, 248, 262, 272, 280, 310, 340, 434, 476, 496, 524, 527, 560, 595, 620, 655, 680, 868, 917, 952, 1048, 1054, 1085, 1190, 1240, 1310, 1360, 1736, 1834, 1904, 2096, 2108, 2170, 2227, 2380, 2480, 2620, 2635, 3472, 3668, 3689, 4061, 4216, 4340, 4454, 4585, 4760, 5240, 5270, 7336, 7378, 8122, 8432, 8680, 8908, 9170, 9520, 10480, 10540, 11135, 14672, 14756, 15589, 16244, 17360, 17816, 18340, 18445, 20305, 21080, 22270, 28427, 29512, 31178, 32488, 35632, 36680, 36890, 40610, 42160, 44540, 56854, 59024, 62356, 64976, 69037, 73360, 73780, 77945, 81220, 89080, 113708, 124712, 138074, 142135, 147560, 155890, 162440, 178160, 227416, 249424, 276148, 284270, 295120, 311780, 324880, 345185, 454832, 483259, 552296, 568540, 623560, 690370, 966518, 1104592, 1137080, 1247120, 1380740, 1933036, 2274160, 2416295, 2761480, 3866072, 4832590, 5522960, 7732144, 9665180, 19330360, 38660720]

約数ペア:

[(1, 38660720), (2, 19330360), (4, 9665180), (5, 7732144), (7, 5522960), (8, 4832590), (10, 3866072), (14, 2761480), (16, 2416295), (17, 2274160), (20, 1933036), (28, 1380740), (31, 1247120), (34, 1137080), (35, 1104592), (40, 966518), (56, 690370), (62, 623560), (68, 568540), (70, 552296), (80, 483259), (85, 454832), (112, 345185), (119, 324880), (124, 311780), (131, 295120), (136, 284270), (140, 276148), (155, 249424), (170, 227416), (217, 178160), (238, 162440), (248, 155890), (262, 147560), (272, 142135), (280, 138074), (310, 124712), (340, 113708), (434, 89080), (476, 81220), (496, 77945), (524, 73780), (527, 73360), (560, 69037), (595, 64976), (620, 62356), (655, 59024), (680, 56854), (868, 44540), (917, 42160), (952, 40610), (1048, 36890), (1054, 36680), (1085, 35632), (1190, 32488), (1240, 31178), (1310, 29512), (1360, 28427), (1736, 22270), (1834, 21080), (1904, 20305), (2096, 18445), (2108, 18340), (2170, 17816), (2227, 17360), (2380, 16244), (2480, 15589), (2620, 14756), (2635, 14672), (3472, 11135), (3668, 10540), (3689, 10480), (4061, 9520), (4216, 9170), (4340, 8908), (4454, 8680), (4585, 8432), (4760, 8122), (5240, 7378), (5270, 7336)]