51578280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:240

約数の個数: 192

約数和(自身を含む): 183980160

約数和(自身を除く): 132401880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 103, 104, 107, 117, 120, 130, 156, 180, 195, 206, 214, 234, 260, 309, 312, 321, 360, 390, 412, 428, 468, 515, 520, 535, 585, 618, 642, 780, 824, 856, 927, 936, 963, 1030, 1070, 1170, 1236, 1284, 1339, 1391, 1545, 1560, 1605, 1854, 1926, 2060, 2140, 2340, 2472, 2568, 2678, 2782, 3090, 3210, 3708, 3852, 4017, 4120, 4173, 4280, 4635, 4680, 4815, 5356, 5564, 6180, 6420, 6695, 6955, 7416, 7704, 8034, 8346, 9270, 9630, 10712, 11021, 11128, 12051, 12360, 12519, 12840, 13390, 13910, 16068, 16692, 18540, 19260, 20085, 20865, 22042, 24102, 25038, 26780, 27820, 32136, 33063, 33384, 37080, 38520, 40170, 41730, 44084, 48204, 50076, 53560, 55105, 55640, 60255, 62595, 66126, 80340, 83460, 88168, 96408, 99189, 100152, 110210, 120510, 125190, 132252, 143273, 160680, 165315, 166920, 198378, 220420, 241020, 250380, 264504, 286546, 330630, 396756, 429819, 440840, 482040, 495945, 500760, 573092, 661260, 716365, 793512, 859638, 991890, 1146184, 1289457, 1322520, 1432730, 1719276, 1983780, 2149095, 2578914, 2865460, 3438552, 3967560, 4298190, 5157828, 5730920, 6447285, 8596380, 10315656, 12894570, 17192760, 25789140, 51578280]

約数ペア:

[(1, 51578280), (2, 25789140), (3, 17192760), (4, 12894570), (5, 10315656), (6, 8596380), (8, 6447285), (9, 5730920), (10, 5157828), (12, 4298190), (13, 3967560), (15, 3438552), (18, 2865460), (20, 2578914), (24, 2149095), (26, 1983780), (30, 1719276), (36, 1432730), (39, 1322520), (40, 1289457), (45, 1146184), (52, 991890), (60, 859638), (65, 793512), (72, 716365), (78, 661260), (90, 573092), (103, 500760), (104, 495945), (107, 482040), (117, 440840), (120, 429819), (130, 396756), (156, 330630), (180, 286546), (195, 264504), (206, 250380), (214, 241020), (234, 220420), (260, 198378), (309, 166920), (312, 165315), (321, 160680), (360, 143273), (390, 132252), (412, 125190), (428, 120510), (468, 110210), (515, 100152), (520, 99189), (535, 96408), (585, 88168), (618, 83460), (642, 80340), (780, 66126), (824, 62595), (856, 60255), (927, 55640), (936, 55105), (963, 53560), (1030, 50076), (1070, 48204), (1170, 44084), (1236, 41730), (1284, 40170), (1339, 38520), (1391, 37080), (1545, 33384), (1560, 33063), (1605, 32136), (1854, 27820), (1926, 26780), (2060, 25038), (2140, 24102), (2340, 22042), (2472, 20865), (2568, 20085), (2678, 19260), (2782, 18540), (3090, 16692), (3210, 16068), (3708, 13910), (3852, 13390), (4017, 12840), (4120, 12519), (4173, 12360), (4280, 12051), (4635, 11128), (4680, 11021), (4815, 10712), (5356, 9630), (5564, 9270), (6180, 8346), (6420, 8034), (6695, 7704), (6955, 7416)]