51520980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{509}}^1$

素因数の和:769

約数の個数: 96

約数和(自身を含む): 165876480

約数和(自身を除く): 114355500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 241, 420, 482, 509, 723, 964, 1018, 1205, 1446, 1527, 1687, 2036, 2410, 2545, 2892, 3054, 3374, 3563, 3615, 4820, 5061, 5090, 6108, 6748, 7126, 7230, 7635, 8435, 10122, 10180, 10689, 14252, 14460, 15270, 16870, 17815, 20244, 21378, 25305, 30540, 33740, 35630, 42756, 50610, 53445, 71260, 101220, 106890, 122669, 213780, 245338, 368007, 490676, 613345, 736014, 858683, 1226690, 1472028, 1717366, 1840035, 2453380, 2576049, 3434732, 3680070, 4293415, 5152098, 7360140, 8586830, 10304196, 12880245, 17173660, 25760490, 51520980]

約数ペア:

[(1, 51520980), (2, 25760490), (3, 17173660), (4, 12880245), (5, 10304196), (6, 8586830), (7, 7360140), (10, 5152098), (12, 4293415), (14, 3680070), (15, 3434732), (20, 2576049), (21, 2453380), (28, 1840035), (30, 1717366), (35, 1472028), (42, 1226690), (60, 858683), (70, 736014), (84, 613345), (105, 490676), (140, 368007), (210, 245338), (241, 213780), (420, 122669), (482, 106890), (509, 101220), (723, 71260), (964, 53445), (1018, 50610), (1205, 42756), (1446, 35630), (1527, 33740), (1687, 30540), (2036, 25305), (2410, 21378), (2545, 20244), (2892, 17815), (3054, 16870), (3374, 15270), (3563, 14460), (3615, 14252), (4820, 10689), (5061, 10180), (5090, 10122), (6108, 8435), (6748, 7635), (7126, 7230)]