64716660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:310

約数の個数: 144

約数和(自身を含む): 209664000

約数和(自身を除く): 144947340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 127, 149, 171, 180, 190, 228, 254, 285, 298, 342, 380, 381, 447, 508, 570, 596, 635, 684, 745, 762, 855, 894, 1140, 1143, 1270, 1341, 1490, 1524, 1710, 1788, 1905, 2235, 2286, 2413, 2540, 2682, 2831, 2980, 3420, 3810, 4470, 4572, 4826, 5364, 5662, 5715, 6705, 7239, 7620, 8493, 8940, 9652, 11324, 11430, 12065, 13410, 14155, 14478, 16986, 18923, 21717, 22860, 24130, 25479, 26820, 28310, 28956, 33972, 36195, 37846, 42465, 43434, 48260, 50958, 56620, 56769, 72390, 75692, 84930, 86868, 94615, 101916, 108585, 113538, 127395, 144780, 169860, 170307, 189230, 217170, 227076, 254790, 283845, 340614, 359537, 378460, 434340, 509580, 567690, 681228, 719074, 851535, 1078611, 1135380, 1438148, 1703070, 1797685, 2157222, 3235833, 3406140, 3595370, 4314444, 5393055, 6471666, 7190740, 10786110, 12943332, 16179165, 21572220, 32358330, 64716660]

約数ペア:

[(1, 64716660), (2, 32358330), (3, 21572220), (4, 16179165), (5, 12943332), (6, 10786110), (9, 7190740), (10, 6471666), (12, 5393055), (15, 4314444), (18, 3595370), (19, 3406140), (20, 3235833), (30, 2157222), (36, 1797685), (38, 1703070), (45, 1438148), (57, 1135380), (60, 1078611), (76, 851535), (90, 719074), (95, 681228), (114, 567690), (127, 509580), (149, 434340), (171, 378460), (180, 359537), (190, 340614), (228, 283845), (254, 254790), (285, 227076), (298, 217170), (342, 189230), (380, 170307), (381, 169860), (447, 144780), (508, 127395), (570, 113538), (596, 108585), (635, 101916), (684, 94615), (745, 86868), (762, 84930), (855, 75692), (894, 72390), (1140, 56769), (1143, 56620), (1270, 50958), (1341, 48260), (1490, 43434), (1524, 42465), (1710, 37846), (1788, 36195), (1905, 33972), (2235, 28956), (2286, 28310), (2413, 26820), (2540, 25479), (2682, 24130), (2831, 22860), (2980, 21717), (3420, 18923), (3810, 16986), (4470, 14478), (4572, 14155), (4826, 13410), (5364, 12065), (5662, 11430), (5715, 11324), (6705, 9652), (7239, 8940), (7620, 8493)]