1259956280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{557}}^1$

素因数の和:729

約数の個数: 128

約数和(自身を含む): 3189170880

約数和(自身を除く): 1929214600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 88, 97, 106, 110, 194, 212, 220, 265, 388, 424, 440, 485, 530, 557, 583, 776, 970, 1060, 1067, 1114, 1166, 1940, 2120, 2134, 2228, 2332, 2785, 2915, 3880, 4268, 4456, 4664, 5141, 5335, 5570, 5830, 6127, 8536, 10282, 10670, 11140, 11660, 12254, 20564, 21340, 22280, 23320, 24508, 25705, 29521, 30635, 41128, 42680, 49016, 51410, 54029, 56551, 59042, 61270, 102820, 108058, 113102, 118084, 122540, 147605, 205640, 216116, 226204, 236168, 245080, 270145, 282755, 295210, 324731, 432232, 452408, 540290, 565510, 590420, 594319, 649462, 1080580, 1131020, 1180840, 1188638, 1298924, 1623655, 2161160, 2262040, 2377276, 2597848, 2863537, 2971595, 3247310, 4754552, 5727074, 5943190, 6494620, 11454148, 11886380, 12989240, 14317685, 22908296, 23772760, 28635370, 31498907, 57270740, 62997814, 114541480, 125995628, 157494535, 251991256, 314989070, 629978140, 1259956280]

約数ペア:

[(1, 1259956280), (2, 629978140), (4, 314989070), (5, 251991256), (8, 157494535), (10, 125995628), (11, 114541480), (20, 62997814), (22, 57270740), (40, 31498907), (44, 28635370), (53, 23772760), (55, 22908296), (88, 14317685), (97, 12989240), (106, 11886380), (110, 11454148), (194, 6494620), (212, 5943190), (220, 5727074), (265, 4754552), (388, 3247310), (424, 2971595), (440, 2863537), (485, 2597848), (530, 2377276), (557, 2262040), (583, 2161160), (776, 1623655), (970, 1298924), (1060, 1188638), (1067, 1180840), (1114, 1131020), (1166, 1080580), (1940, 649462), (2120, 594319), (2134, 590420), (2228, 565510), (2332, 540290), (2785, 452408), (2915, 432232), (3880, 324731), (4268, 295210), (4456, 282755), (4664, 270145), (5141, 245080), (5335, 236168), (5570, 226204), (5830, 216116), (6127, 205640), (8536, 147605), (10282, 122540), (10670, 118084), (11140, 113102), (11660, 108058), (12254, 102820), (20564, 61270), (21340, 59042), (22280, 56551), (23320, 54029), (24508, 51410), (25705, 49016), (29521, 42680), (30635, 41128)]