309718640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{367}}^1$

素因数の和:535

約数の個数: 160

約数和(自身を含む): 906799104

約数和(自身を除く): 597080464

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 137, 140, 154, 176, 220, 274, 280, 308, 367, 385, 440, 548, 560, 616, 685, 734, 770, 880, 959, 1096, 1232, 1370, 1468, 1507, 1540, 1835, 1918, 2192, 2569, 2740, 2936, 3014, 3080, 3670, 3836, 4037, 4795, 5138, 5480, 5872, 6028, 6160, 7340, 7535, 7672, 8074, 9590, 10276, 10549, 10960, 12056, 12845, 14680, 15070, 15344, 16148, 19180, 20185, 20552, 21098, 24112, 25690, 28259, 29360, 30140, 32296, 38360, 40370, 41104, 42196, 50279, 51380, 52745, 56518, 60280, 64592, 76720, 80740, 84392, 100558, 102760, 105490, 113036, 120560, 141295, 161480, 168784, 201116, 205520, 210980, 226072, 251395, 282590, 322960, 351953, 402232, 421960, 452144, 502790, 553069, 565180, 703906, 804464, 843920, 1005580, 1106138, 1130360, 1407812, 1759765, 2011160, 2212276, 2260720, 2765345, 2815624, 3519530, 3871483, 4022320, 4424552, 5530690, 5631248, 7039060, 7742966, 8849104, 11061380, 14078120, 15485932, 19357415, 22122760, 28156240, 30971864, 38714830, 44245520, 61943728, 77429660, 154859320, 309718640]

約数ペア:

[(1, 309718640), (2, 154859320), (4, 77429660), (5, 61943728), (7, 44245520), (8, 38714830), (10, 30971864), (11, 28156240), (14, 22122760), (16, 19357415), (20, 15485932), (22, 14078120), (28, 11061380), (35, 8849104), (40, 7742966), (44, 7039060), (55, 5631248), (56, 5530690), (70, 4424552), (77, 4022320), (80, 3871483), (88, 3519530), (110, 2815624), (112, 2765345), (137, 2260720), (140, 2212276), (154, 2011160), (176, 1759765), (220, 1407812), (274, 1130360), (280, 1106138), (308, 1005580), (367, 843920), (385, 804464), (440, 703906), (548, 565180), (560, 553069), (616, 502790), (685, 452144), (734, 421960), (770, 402232), (880, 351953), (959, 322960), (1096, 282590), (1232, 251395), (1370, 226072), (1468, 210980), (1507, 205520), (1540, 201116), (1835, 168784), (1918, 161480), (2192, 141295), (2569, 120560), (2740, 113036), (2936, 105490), (3014, 102760), (3080, 100558), (3670, 84392), (3836, 80740), (4037, 76720), (4795, 64592), (5138, 60280), (5480, 56518), (5872, 52745), (6028, 51380), (6160, 50279), (7340, 42196), (7535, 41104), (7672, 40370), (8074, 38360), (9590, 32296), (10276, 30140), (10549, 29360), (10960, 28259), (12056, 25690), (12845, 24112), (14680, 21098), (15070, 20552), (15344, 20185), (16148, 19180)]