65309440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 184548672

約数和(自身を除く): 119239232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 64, 70, 74, 80, 112, 128, 140, 148, 160, 185, 197, 224, 256, 259, 280, 296, 320, 370, 394, 448, 518, 560, 592, 640, 740, 788, 896, 985, 1036, 1120, 1184, 1280, 1295, 1379, 1480, 1576, 1792, 1970, 2072, 2240, 2368, 2590, 2758, 2960, 3152, 3940, 4144, 4480, 4736, 5180, 5516, 5920, 6304, 6895, 7289, 7880, 8288, 8960, 9472, 10360, 11032, 11840, 12608, 13790, 14578, 15760, 16576, 20720, 22064, 23680, 25216, 27580, 29156, 31520, 33152, 36445, 41440, 44128, 47360, 50432, 51023, 55160, 58312, 63040, 66304, 72890, 82880, 88256, 102046, 110320, 116624, 126080, 145780, 165760, 176512, 204092, 220640, 233248, 252160, 255115, 291560, 331520, 353024, 408184, 441280, 466496, 510230, 583120, 816368, 882560, 932992, 1020460, 1166240, 1632736, 1765120, 1865984, 2040920, 2332480, 3265472, 4081840, 4664960, 6530944, 8163680, 9329920, 13061888, 16327360, 32654720, 65309440]

約数ペア:

[(1, 65309440), (2, 32654720), (4, 16327360), (5, 13061888), (7, 9329920), (8, 8163680), (10, 6530944), (14, 4664960), (16, 4081840), (20, 3265472), (28, 2332480), (32, 2040920), (35, 1865984), (37, 1765120), (40, 1632736), (56, 1166240), (64, 1020460), (70, 932992), (74, 882560), (80, 816368), (112, 583120), (128, 510230), (140, 466496), (148, 441280), (160, 408184), (185, 353024), (197, 331520), (224, 291560), (256, 255115), (259, 252160), (280, 233248), (296, 220640), (320, 204092), (370, 176512), (394, 165760), (448, 145780), (518, 126080), (560, 116624), (592, 110320), (640, 102046), (740, 88256), (788, 82880), (896, 72890), (985, 66304), (1036, 63040), (1120, 58312), (1184, 55160), (1280, 51023), (1295, 50432), (1379, 47360), (1480, 44128), (1576, 41440), (1792, 36445), (1970, 33152), (2072, 31520), (2240, 29156), (2368, 27580), (2590, 25216), (2758, 23680), (2960, 22064), (3152, 20720), (3940, 16576), (4144, 15760), (4480, 14578), (4736, 13790), (5180, 12608), (5516, 11840), (5920, 11032), (6304, 10360), (6895, 9472), (7289, 8960), (7880, 8288)]