64667260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 174666240

約数和(自身を除く): 109998980

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 23, 28, 35, 38, 46, 49, 70, 76, 92, 95, 98, 115, 133, 140, 151, 161, 190, 196, 230, 245, 266, 302, 322, 380, 437, 460, 490, 532, 604, 644, 665, 755, 805, 874, 931, 980, 1057, 1127, 1330, 1510, 1610, 1748, 1862, 2114, 2185, 2254, 2660, 2869, 3020, 3059, 3220, 3473, 3724, 4228, 4370, 4508, 4655, 5285, 5635, 5738, 6118, 6946, 7399, 8740, 9310, 10570, 11270, 11476, 12236, 13892, 14345, 14798, 15295, 17365, 18620, 20083, 21140, 21413, 22540, 24311, 28690, 29596, 30590, 34730, 36995, 40166, 42826, 48622, 57380, 61180, 65987, 69460, 73990, 80332, 85652, 97244, 100415, 107065, 121555, 131974, 140581, 147980, 170177, 200830, 214130, 243110, 263948, 281162, 329935, 340354, 401660, 428260, 461909, 486220, 562324, 659870, 680708, 702905, 850885, 923818, 1319740, 1405810, 1701770, 1847636, 2309545, 2811620, 3233363, 3403540, 4619090, 6466726, 9238180, 12933452, 16166815, 32333630, 64667260]

約数ペア:

[(1, 64667260), (2, 32333630), (4, 16166815), (5, 12933452), (7, 9238180), (10, 6466726), (14, 4619090), (19, 3403540), (20, 3233363), (23, 2811620), (28, 2309545), (35, 1847636), (38, 1701770), (46, 1405810), (49, 1319740), (70, 923818), (76, 850885), (92, 702905), (95, 680708), (98, 659870), (115, 562324), (133, 486220), (140, 461909), (151, 428260), (161, 401660), (190, 340354), (196, 329935), (230, 281162), (245, 263948), (266, 243110), (302, 214130), (322, 200830), (380, 170177), (437, 147980), (460, 140581), (490, 131974), (532, 121555), (604, 107065), (644, 100415), (665, 97244), (755, 85652), (805, 80332), (874, 73990), (931, 69460), (980, 65987), (1057, 61180), (1127, 57380), (1330, 48622), (1510, 42826), (1610, 40166), (1748, 36995), (1862, 34730), (2114, 30590), (2185, 29596), (2254, 28690), (2660, 24311), (2869, 22540), (3020, 21413), (3059, 21140), (3220, 20083), (3473, 18620), (3724, 17365), (4228, 15295), (4370, 14798), (4508, 14345), (4655, 13892), (5285, 12236), (5635, 11476), (5738, 11270), (6118, 10570), (6946, 9310), (7399, 8740)]