256105440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{607}}^1$

素因数の和:921

約数の個数: 144

約数和(自身を含む): 878387328

約数和(自身を除く): 622281888

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 293, 360, 480, 586, 607, 720, 879, 1172, 1214, 1440, 1465, 1758, 1821, 2344, 2428, 2637, 2930, 3035, 3516, 3642, 4395, 4688, 4856, 5274, 5463, 5860, 6070, 7032, 7284, 8790, 9105, 9376, 9712, 10548, 10926, 11720, 12140, 13185, 14064, 14568, 17580, 18210, 19424, 21096, 21852, 23440, 24280, 26370, 27315, 28128, 29136, 35160, 36420, 42192, 43704, 46880, 48560, 52740, 54630, 58272, 70320, 72840, 84384, 87408, 97120, 105480, 109260, 140640, 145680, 174816, 177851, 210960, 218520, 291360, 355702, 421920, 437040, 533553, 711404, 874080, 889255, 1067106, 1422808, 1600659, 1778510, 2134212, 2667765, 2845616, 3201318, 3557020, 4268424, 5335530, 5691232, 6402636, 7114040, 8003295, 8536848, 10671060, 12805272, 14228080, 16006590, 17073696, 21342120, 25610544, 28456160, 32013180, 42684240, 51221088, 64026360, 85368480, 128052720, 256105440]

約数ペア:

[(1, 256105440), (2, 128052720), (3, 85368480), (4, 64026360), (5, 51221088), (6, 42684240), (8, 32013180), (9, 28456160), (10, 25610544), (12, 21342120), (15, 17073696), (16, 16006590), (18, 14228080), (20, 12805272), (24, 10671060), (30, 8536848), (32, 8003295), (36, 7114040), (40, 6402636), (45, 5691232), (48, 5335530), (60, 4268424), (72, 3557020), (80, 3201318), (90, 2845616), (96, 2667765), (120, 2134212), (144, 1778510), (160, 1600659), (180, 1422808), (240, 1067106), (288, 889255), (293, 874080), (360, 711404), (480, 533553), (586, 437040), (607, 421920), (720, 355702), (879, 291360), (1172, 218520), (1214, 210960), (1440, 177851), (1465, 174816), (1758, 145680), (1821, 140640), (2344, 109260), (2428, 105480), (2637, 97120), (2930, 87408), (3035, 84384), (3516, 72840), (3642, 70320), (4395, 58272), (4688, 54630), (4856, 52740), (5274, 48560), (5463, 46880), (5860, 43704), (6070, 42192), (7032, 36420), (7284, 35160), (8790, 29136), (9105, 28128), (9376, 27315), (9712, 26370), (10548, 24280), (10926, 23440), (11720, 21852), (12140, 21096), (13185, 19424), (14064, 18210), (14568, 17580)]