79285600

素因数分解:

$2^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:213

約数の個数: 144

約数和(自身を含む): 209986560

約数和(自身を除く): 130700960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 31, 32, 40, 46, 50, 62, 80, 92, 100, 115, 124, 139, 155, 160, 184, 200, 230, 248, 278, 310, 368, 400, 460, 496, 556, 575, 620, 695, 713, 736, 775, 800, 920, 992, 1112, 1150, 1240, 1390, 1426, 1550, 1840, 2224, 2300, 2480, 2780, 2852, 3100, 3197, 3475, 3565, 3680, 4309, 4448, 4600, 4960, 5560, 5704, 6200, 6394, 6950, 7130, 8618, 9200, 11120, 11408, 12400, 12788, 13900, 14260, 15985, 17236, 17825, 18400, 21545, 22240, 22816, 24800, 25576, 27800, 28520, 31970, 34472, 35650, 43090, 51152, 55600, 57040, 63940, 68944, 71300, 79925, 86180, 99107, 102304, 107725, 111200, 114080, 127880, 137888, 142600, 159850, 172360, 198214, 215450, 255760, 285200, 319700, 344720, 396428, 430900, 495535, 511520, 570400, 639400, 689440, 792856, 861800, 991070, 1278800, 1585712, 1723600, 1982140, 2477675, 2557600, 3171424, 3447200, 3964280, 4955350, 7928560, 9910700, 15857120, 19821400, 39642800, 79285600]

約数ペア:

[(1, 79285600), (2, 39642800), (4, 19821400), (5, 15857120), (8, 9910700), (10, 7928560), (16, 4955350), (20, 3964280), (23, 3447200), (25, 3171424), (31, 2557600), (32, 2477675), (40, 1982140), (46, 1723600), (50, 1585712), (62, 1278800), (80, 991070), (92, 861800), (100, 792856), (115, 689440), (124, 639400), (139, 570400), (155, 511520), (160, 495535), (184, 430900), (200, 396428), (230, 344720), (248, 319700), (278, 285200), (310, 255760), (368, 215450), (400, 198214), (460, 172360), (496, 159850), (556, 142600), (575, 137888), (620, 127880), (695, 114080), (713, 111200), (736, 107725), (775, 102304), (800, 99107), (920, 86180), (992, 79925), (1112, 71300), (1150, 68944), (1240, 63940), (1390, 57040), (1426, 55600), (1550, 51152), (1840, 43090), (2224, 35650), (2300, 34472), (2480, 31970), (2780, 28520), (2852, 27800), (3100, 25576), (3197, 24800), (3475, 22816), (3565, 22240), (3680, 21545), (4309, 18400), (4448, 17825), (4600, 17236), (4960, 15985), (5560, 14260), (5704, 13900), (6200, 12788), (6394, 12400), (6950, 11408), (7130, 11120), (8618, 9200)]