291060

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{11}}^1$

素因数の和:43

約数の個数: 144

約数和(自身を含む): 1149120

約数和(自身を除く): 858060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 33, 35, 36, 42, 44, 45, 49, 54, 55, 60, 63, 66, 70, 77, 84, 90, 98, 99, 105, 108, 110, 126, 132, 135, 140, 147, 154, 165, 180, 189, 196, 198, 210, 220, 231, 245, 252, 270, 294, 297, 308, 315, 330, 378, 385, 396, 420, 441, 462, 490, 495, 539, 540, 588, 594, 630, 660, 693, 735, 756, 770, 882, 924, 945, 980, 990, 1078, 1155, 1188, 1260, 1323, 1386, 1470, 1485, 1540, 1617, 1764, 1890, 1980, 2079, 2156, 2205, 2310, 2646, 2695, 2772, 2940, 2970, 3234, 3465, 3780, 4158, 4410, 4620, 4851, 5292, 5390, 5940, 6468, 6615, 6930, 8085, 8316, 8820, 9702, 10395, 10780, 13230, 13860, 14553, 16170, 19404, 20790, 24255, 26460, 29106, 32340, 41580, 48510, 58212, 72765, 97020, 145530, 291060]

約数ペア:

[(1, 291060), (2, 145530), (3, 97020), (4, 72765), (5, 58212), (6, 48510), (7, 41580), (9, 32340), (10, 29106), (11, 26460), (12, 24255), (14, 20790), (15, 19404), (18, 16170), (20, 14553), (21, 13860), (22, 13230), (27, 10780), (28, 10395), (30, 9702), (33, 8820), (35, 8316), (36, 8085), (42, 6930), (44, 6615), (45, 6468), (49, 5940), (54, 5390), (55, 5292), (60, 4851), (63, 4620), (66, 4410), (70, 4158), (77, 3780), (84, 3465), (90, 3234), (98, 2970), (99, 2940), (105, 2772), (108, 2695), (110, 2646), (126, 2310), (132, 2205), (135, 2156), (140, 2079), (147, 1980), (154, 1890), (165, 1764), (180, 1617), (189, 1540), (196, 1485), (198, 1470), (210, 1386), (220, 1323), (231, 1260), (245, 1188), (252, 1155), (270, 1078), (294, 990), (297, 980), (308, 945), (315, 924), (330, 882), (378, 770), (385, 756), (396, 735), (420, 693), (441, 660), (462, 630), (490, 594), (495, 588), (539, 540)]