64960280

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:190

約数の個数: 192

約数和(自身を含む): 195022080

約数和(自身を除く): 130061800

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 28, 35, 40, 44, 46, 49, 55, 56, 70, 77, 88, 92, 98, 110, 115, 131, 140, 154, 161, 184, 196, 220, 230, 245, 253, 262, 280, 308, 322, 385, 392, 440, 460, 490, 506, 524, 539, 616, 644, 655, 770, 805, 917, 920, 980, 1012, 1048, 1078, 1127, 1265, 1288, 1310, 1441, 1540, 1610, 1771, 1834, 1960, 2024, 2156, 2254, 2530, 2620, 2695, 2882, 3013, 3080, 3220, 3542, 3668, 4312, 4508, 4585, 5060, 5240, 5390, 5635, 5764, 6026, 6419, 6440, 7084, 7205, 7336, 8855, 9016, 9170, 10087, 10120, 10780, 11270, 11528, 12052, 12397, 12838, 14168, 14410, 15065, 17710, 18340, 20174, 21091, 21560, 22540, 24104, 24794, 25676, 28820, 30130, 32095, 33143, 35420, 36680, 40348, 42182, 45080, 49588, 50435, 51352, 57640, 60260, 61985, 64190, 66286, 70609, 70840, 80696, 84364, 99176, 100870, 105455, 120520, 123970, 128380, 132572, 141218, 147637, 165715, 168728, 201740, 210910, 232001, 247940, 256760, 265144, 282436, 295274, 331430, 353045, 403480, 421820, 464002, 495880, 564872, 590548, 662860, 706090, 738185, 843640, 928004, 1160005, 1181096, 1325720, 1412180, 1476370, 1624007, 1856008, 2320010, 2824360, 2952740, 3248014, 4640020, 5905480, 6496028, 8120035, 9280040, 12992056, 16240070, 32480140, 64960280]

約数ペア:

[(1, 64960280), (2, 32480140), (4, 16240070), (5, 12992056), (7, 9280040), (8, 8120035), (10, 6496028), (11, 5905480), (14, 4640020), (20, 3248014), (22, 2952740), (23, 2824360), (28, 2320010), (35, 1856008), (40, 1624007), (44, 1476370), (46, 1412180), (49, 1325720), (55, 1181096), (56, 1160005), (70, 928004), (77, 843640), (88, 738185), (92, 706090), (98, 662860), (110, 590548), (115, 564872), (131, 495880), (140, 464002), (154, 421820), (161, 403480), (184, 353045), (196, 331430), (220, 295274), (230, 282436), (245, 265144), (253, 256760), (262, 247940), (280, 232001), (308, 210910), (322, 201740), (385, 168728), (392, 165715), (440, 147637), (460, 141218), (490, 132572), (506, 128380), (524, 123970), (539, 120520), (616, 105455), (644, 100870), (655, 99176), (770, 84364), (805, 80696), (917, 70840), (920, 70609), (980, 66286), (1012, 64190), (1048, 61985), (1078, 60260), (1127, 57640), (1265, 51352), (1288, 50435), (1310, 49588), (1441, 45080), (1540, 42182), (1610, 40348), (1771, 36680), (1834, 35420), (1960, 33143), (2024, 32095), (2156, 30130), (2254, 28820), (2530, 25676), (2620, 24794), (2695, 24104), (2882, 22540), (3013, 21560), (3080, 21091), (3220, 20174), (3542, 18340), (3668, 17710), (4312, 15065), (4508, 14410), (4585, 14168), (5060, 12838), (5240, 12397), (5390, 12052), (5635, 11528), (5764, 11270), (6026, 10780), (6419, 10120), (6440, 10087), (7084, 9170), (7205, 9016), (7336, 8855)]