66855390

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:402

約数の個数: 128

約数和(自身を含む): 197987328

約数和(自身を除く): 131131938

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 30, 34, 35, 42, 51, 61, 70, 85, 102, 105, 119, 122, 170, 183, 210, 238, 255, 305, 307, 357, 366, 427, 510, 595, 610, 614, 714, 854, 915, 921, 1037, 1190, 1281, 1535, 1785, 1830, 1842, 2074, 2135, 2149, 2562, 3070, 3111, 3570, 4270, 4298, 4605, 5185, 5219, 6222, 6405, 6447, 7259, 9210, 10370, 10438, 10745, 12810, 12894, 14518, 15555, 15657, 18727, 21490, 21777, 26095, 31110, 31314, 32235, 36295, 36533, 37454, 43554, 52190, 56181, 64470, 72590, 73066, 78285, 93635, 108885, 109599, 112362, 131089, 156570, 182665, 187270, 217770, 219198, 262178, 280905, 318359, 365330, 393267, 547995, 561810, 636718, 655445, 786534, 955077, 1095990, 1310890, 1591795, 1910154, 1966335, 2228513, 3183590, 3932670, 4457026, 4775385, 6685539, 9550770, 11142565, 13371078, 22285130, 33427695, 66855390]

約数ペア:

[(1, 66855390), (2, 33427695), (3, 22285130), (5, 13371078), (6, 11142565), (7, 9550770), (10, 6685539), (14, 4775385), (15, 4457026), (17, 3932670), (21, 3183590), (30, 2228513), (34, 1966335), (35, 1910154), (42, 1591795), (51, 1310890), (61, 1095990), (70, 955077), (85, 786534), (102, 655445), (105, 636718), (119, 561810), (122, 547995), (170, 393267), (183, 365330), (210, 318359), (238, 280905), (255, 262178), (305, 219198), (307, 217770), (357, 187270), (366, 182665), (427, 156570), (510, 131089), (595, 112362), (610, 109599), (614, 108885), (714, 93635), (854, 78285), (915, 73066), (921, 72590), (1037, 64470), (1190, 56181), (1281, 52190), (1535, 43554), (1785, 37454), (1830, 36533), (1842, 36295), (2074, 32235), (2135, 31314), (2149, 31110), (2562, 26095), (3070, 21777), (3111, 21490), (3570, 18727), (4270, 15657), (4298, 15555), (4605, 14518), (5185, 12894), (5219, 12810), (6222, 10745), (6405, 10438), (6447, 10370), (7259, 9210)]