121288960

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 322960176

約数和(自身を除く): 201671216

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 80, 104, 128, 130, 148, 160, 185, 197, 208, 256, 260, 296, 320, 370, 394, 416, 481, 520, 592, 640, 740, 788, 832, 962, 985, 1040, 1184, 1280, 1480, 1576, 1664, 1924, 1970, 2080, 2368, 2405, 2561, 2960, 3152, 3328, 3848, 3940, 4160, 4736, 4810, 5122, 5920, 6304, 7289, 7696, 7880, 8320, 9472, 9620, 10244, 11840, 12608, 12805, 14578, 15392, 15760, 16640, 19240, 20488, 23680, 25216, 25610, 29156, 30784, 31520, 36445, 38480, 40976, 47360, 50432, 51220, 58312, 61568, 63040, 72890, 76960, 81952, 94757, 102440, 116624, 123136, 126080, 145780, 153920, 163904, 189514, 204880, 233248, 252160, 291560, 307840, 327808, 379028, 409760, 466496, 473785, 583120, 615680, 655616, 758056, 819520, 932992, 947570, 1166240, 1516112, 1639040, 1865984, 1895140, 2332480, 3032224, 3278080, 3790280, 4664960, 6064448, 7580560, 9329920, 12128896, 15161120, 24257792, 30322240, 60644480, 121288960]

約数ペア:

[(1, 121288960), (2, 60644480), (4, 30322240), (5, 24257792), (8, 15161120), (10, 12128896), (13, 9329920), (16, 7580560), (20, 6064448), (26, 4664960), (32, 3790280), (37, 3278080), (40, 3032224), (52, 2332480), (64, 1895140), (65, 1865984), (74, 1639040), (80, 1516112), (104, 1166240), (128, 947570), (130, 932992), (148, 819520), (160, 758056), (185, 655616), (197, 615680), (208, 583120), (256, 473785), (260, 466496), (296, 409760), (320, 379028), (370, 327808), (394, 307840), (416, 291560), (481, 252160), (520, 233248), (592, 204880), (640, 189514), (740, 163904), (788, 153920), (832, 145780), (962, 126080), (985, 123136), (1040, 116624), (1184, 102440), (1280, 94757), (1480, 81952), (1576, 76960), (1664, 72890), (1924, 63040), (1970, 61568), (2080, 58312), (2368, 51220), (2405, 50432), (2561, 47360), (2960, 40976), (3152, 38480), (3328, 36445), (3848, 31520), (3940, 30784), (4160, 29156), (4736, 25610), (4810, 25216), (5122, 23680), (5920, 20488), (6304, 19240), (7289, 16640), (7696, 15760), (7880, 15392), (8320, 14578), (9472, 12805), (9620, 12608), (10244, 11840)]