64886520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:373

約数の個数: 128

約数和(自身を含む): 207360000

約数和(自身を除く): 142473480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 149, 152, 190, 191, 228, 285, 298, 380, 382, 447, 456, 570, 573, 596, 745, 760, 764, 894, 955, 1140, 1146, 1192, 1490, 1528, 1788, 1910, 2235, 2280, 2292, 2831, 2865, 2980, 3576, 3629, 3820, 4470, 4584, 5662, 5730, 5960, 7258, 7640, 8493, 8940, 10887, 11324, 11460, 14155, 14516, 16986, 17880, 18145, 21774, 22648, 22920, 28310, 28459, 29032, 33972, 36290, 42465, 43548, 54435, 56620, 56918, 67944, 72580, 84930, 85377, 87096, 108870, 113240, 113836, 142295, 145160, 169860, 170754, 217740, 227672, 284590, 339720, 341508, 426885, 435480, 540721, 569180, 683016, 853770, 1081442, 1138360, 1622163, 1707540, 2162884, 2703605, 3244326, 3415080, 4325768, 5407210, 6488652, 8110815, 10814420, 12977304, 16221630, 21628840, 32443260, 64886520]

約数ペア:

[(1, 64886520), (2, 32443260), (3, 21628840), (4, 16221630), (5, 12977304), (6, 10814420), (8, 8110815), (10, 6488652), (12, 5407210), (15, 4325768), (19, 3415080), (20, 3244326), (24, 2703605), (30, 2162884), (38, 1707540), (40, 1622163), (57, 1138360), (60, 1081442), (76, 853770), (95, 683016), (114, 569180), (120, 540721), (149, 435480), (152, 426885), (190, 341508), (191, 339720), (228, 284590), (285, 227672), (298, 217740), (380, 170754), (382, 169860), (447, 145160), (456, 142295), (570, 113836), (573, 113240), (596, 108870), (745, 87096), (760, 85377), (764, 84930), (894, 72580), (955, 67944), (1140, 56918), (1146, 56620), (1192, 54435), (1490, 43548), (1528, 42465), (1788, 36290), (1910, 33972), (2235, 29032), (2280, 28459), (2292, 28310), (2831, 22920), (2865, 22648), (2980, 21774), (3576, 18145), (3629, 17880), (3820, 16986), (4470, 14516), (4584, 14155), (5662, 11460), (5730, 11324), (5960, 10887), (7258, 8940), (7640, 8493)]