25789140

素因数分解:

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

素因数の和:238

約数の個数: 144

約数和(自身を含む): 85857408

約数和(自身を除く): 60068268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 103, 107, 117, 130, 156, 180, 195, 206, 214, 234, 260, 309, 321, 390, 412, 428, 468, 515, 535, 585, 618, 642, 780, 927, 963, 1030, 1070, 1170, 1236, 1284, 1339, 1391, 1545, 1605, 1854, 1926, 2060, 2140, 2340, 2678, 2782, 3090, 3210, 3708, 3852, 4017, 4173, 4635, 4815, 5356, 5564, 6180, 6420, 6695, 6955, 8034, 8346, 9270, 9630, 11021, 12051, 12519, 13390, 13910, 16068, 16692, 18540, 19260, 20085, 20865, 22042, 24102, 25038, 26780, 27820, 33063, 40170, 41730, 44084, 48204, 50076, 55105, 60255, 62595, 66126, 80340, 83460, 99189, 110210, 120510, 125190, 132252, 143273, 165315, 198378, 220420, 241020, 250380, 286546, 330630, 396756, 429819, 495945, 573092, 661260, 716365, 859638, 991890, 1289457, 1432730, 1719276, 1983780, 2149095, 2578914, 2865460, 4298190, 5157828, 6447285, 8596380, 12894570, 25789140]

約数ペア:

[(1, 25789140), (2, 12894570), (3, 8596380), (4, 6447285), (5, 5157828), (6, 4298190), (9, 2865460), (10, 2578914), (12, 2149095), (13, 1983780), (15, 1719276), (18, 1432730), (20, 1289457), (26, 991890), (30, 859638), (36, 716365), (39, 661260), (45, 573092), (52, 495945), (60, 429819), (65, 396756), (78, 330630), (90, 286546), (103, 250380), (107, 241020), (117, 220420), (130, 198378), (156, 165315), (180, 143273), (195, 132252), (206, 125190), (214, 120510), (234, 110210), (260, 99189), (309, 83460), (321, 80340), (390, 66126), (412, 62595), (428, 60255), (468, 55105), (515, 50076), (535, 48204), (585, 44084), (618, 41730), (642, 40170), (780, 33063), (927, 27820), (963, 26780), (1030, 25038), (1070, 24102), (1170, 22042), (1236, 20865), (1284, 20085), (1339, 19260), (1391, 18540), (1545, 16692), (1605, 16068), (1854, 13910), (1926, 13390), (2060, 12519), (2140, 12051), (2340, 11021), (2678, 9630), (2782, 9270), (3090, 8346), (3210, 8034), (3708, 6955), (3852, 6695), (4017, 6420), (4173, 6180), (4635, 5564), (4815, 5356)]