249491760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1531}}^1$

素因数の和:1651

約数の個数: 160

約数和(自身を含む): 893609472

約数和(自身を除く): 644117712

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 97, 105, 112, 120, 140, 168, 194, 210, 240, 280, 291, 336, 388, 420, 485, 560, 582, 679, 776, 840, 970, 1164, 1358, 1455, 1531, 1552, 1680, 1940, 2037, 2328, 2716, 2910, 3062, 3395, 3880, 4074, 4593, 4656, 5432, 5820, 6124, 6790, 7655, 7760, 8148, 9186, 10185, 10717, 10864, 11640, 12248, 13580, 15310, 16296, 18372, 20370, 21434, 22965, 23280, 24496, 27160, 30620, 32151, 32592, 36744, 40740, 42868, 45930, 53585, 54320, 61240, 64302, 73488, 81480, 85736, 91860, 107170, 122480, 128604, 148507, 160755, 162960, 171472, 183720, 214340, 257208, 297014, 321510, 367440, 428680, 445521, 514416, 594028, 643020, 742535, 857360, 891042, 1039549, 1188056, 1286040, 1485070, 1782084, 2079098, 2227605, 2376112, 2572080, 2970140, 3118647, 3564168, 4158196, 4455210, 5197745, 5940280, 6237294, 7128336, 8316392, 8910420, 10395490, 11880560, 12474588, 15593235, 16632784, 17820840, 20790980, 24949176, 31186470, 35641680, 41581960, 49898352, 62372940, 83163920, 124745880, 249491760]

約数ペア:

[(1, 249491760), (2, 124745880), (3, 83163920), (4, 62372940), (5, 49898352), (6, 41581960), (7, 35641680), (8, 31186470), (10, 24949176), (12, 20790980), (14, 17820840), (15, 16632784), (16, 15593235), (20, 12474588), (21, 11880560), (24, 10395490), (28, 8910420), (30, 8316392), (35, 7128336), (40, 6237294), (42, 5940280), (48, 5197745), (56, 4455210), (60, 4158196), (70, 3564168), (80, 3118647), (84, 2970140), (97, 2572080), (105, 2376112), (112, 2227605), (120, 2079098), (140, 1782084), (168, 1485070), (194, 1286040), (210, 1188056), (240, 1039549), (280, 891042), (291, 857360), (336, 742535), (388, 643020), (420, 594028), (485, 514416), (560, 445521), (582, 428680), (679, 367440), (776, 321510), (840, 297014), (970, 257208), (1164, 214340), (1358, 183720), (1455, 171472), (1531, 162960), (1552, 160755), (1680, 148507), (1940, 128604), (2037, 122480), (2328, 107170), (2716, 91860), (2910, 85736), (3062, 81480), (3395, 73488), (3880, 64302), (4074, 61240), (4593, 54320), (4656, 53585), (5432, 45930), (5820, 42868), (6124, 40740), (6790, 36744), (7655, 32592), (7760, 32151), (8148, 30620), (9186, 27160), (10185, 24496), (10717, 23280), (10864, 22965), (11640, 21434), (12248, 20370), (13580, 18372), (15310, 16296)]