253981260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{349}}^1$

素因数の和:688

約数の個数: 144

約数和(自身を含む): 834724800

約数和(自身を除く): 580743540

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, 117, 130, 156, 180, 195, 234, 260, 311, 349, 390, 468, 585, 622, 698, 780, 933, 1047, 1170, 1244, 1396, 1555, 1745, 1866, 2094, 2340, 2799, 3110, 3141, 3490, 3732, 4043, 4188, 4537, 4665, 5235, 5598, 6220, 6282, 6980, 8086, 9074, 9330, 10470, 11196, 12129, 12564, 13611, 13995, 15705, 16172, 18148, 18660, 20215, 20940, 22685, 24258, 27222, 27990, 31410, 36387, 40430, 40833, 45370, 48516, 54444, 55980, 60645, 62820, 68055, 72774, 80860, 81666, 90740, 108539, 121290, 136110, 145548, 163332, 181935, 204165, 217078, 242580, 272220, 325617, 363870, 408330, 434156, 542695, 651234, 727740, 816660, 976851, 1085390, 1302468, 1411007, 1628085, 1953702, 2170780, 2822014, 3256170, 3907404, 4233021, 4884255, 5644028, 6512340, 7055035, 8466042, 9768510, 12699063, 14110070, 16932084, 19537020, 21165105, 25398126, 28220140, 42330210, 50796252, 63495315, 84660420, 126990630, 253981260]

約数ペア:

[(1, 253981260), (2, 126990630), (3, 84660420), (4, 63495315), (5, 50796252), (6, 42330210), (9, 28220140), (10, 25398126), (12, 21165105), (13, 19537020), (15, 16932084), (18, 14110070), (20, 12699063), (26, 9768510), (30, 8466042), (36, 7055035), (39, 6512340), (45, 5644028), (52, 4884255), (60, 4233021), (65, 3907404), (78, 3256170), (90, 2822014), (117, 2170780), (130, 1953702), (156, 1628085), (180, 1411007), (195, 1302468), (234, 1085390), (260, 976851), (311, 816660), (349, 727740), (390, 651234), (468, 542695), (585, 434156), (622, 408330), (698, 363870), (780, 325617), (933, 272220), (1047, 242580), (1170, 217078), (1244, 204165), (1396, 181935), (1555, 163332), (1745, 145548), (1866, 136110), (2094, 121290), (2340, 108539), (2799, 90740), (3110, 81666), (3141, 80860), (3490, 72774), (3732, 68055), (4043, 62820), (4188, 60645), (4537, 55980), (4665, 54444), (5235, 48516), (5598, 45370), (6220, 40833), (6282, 40430), (6980, 36387), (8086, 31410), (9074, 27990), (9330, 27222), (10470, 24258), (11196, 22685), (12129, 20940), (12564, 20215), (13611, 18660), (13995, 18148), (15705, 16172)]