278267080

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:268

約数の個数: 192

約数和(自身を含む): 800936640

約数和(自身を除く): 522669560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 67, 70, 91, 98, 104, 130, 134, 140, 163, 182, 196, 245, 260, 268, 280, 326, 335, 364, 392, 455, 469, 490, 520, 536, 637, 652, 670, 728, 815, 871, 910, 938, 980, 1141, 1274, 1304, 1340, 1630, 1742, 1820, 1876, 1960, 2119, 2282, 2345, 2548, 2680, 3185, 3260, 3283, 3484, 3640, 3752, 4238, 4355, 4564, 4690, 5096, 5705, 6097, 6370, 6520, 6566, 6968, 7987, 8476, 8710, 9128, 9380, 10595, 10921, 11410, 12194, 12740, 13132, 14833, 15974, 16415, 16952, 17420, 18760, 21190, 21842, 22820, 24388, 25480, 26264, 29666, 30485, 31948, 32830, 34840, 39935, 42380, 42679, 43684, 45640, 48776, 54605, 59332, 60970, 63896, 65660, 74165, 76447, 79870, 84760, 85358, 87368, 103831, 109210, 118664, 121940, 131320, 141973, 148330, 152894, 159740, 170716, 207662, 213395, 218420, 243880, 283946, 296660, 305788, 319480, 341432, 382235, 415324, 426790, 436840, 519155, 535129, 567892, 593320, 611576, 709865, 764470, 830648, 853580, 993811, 1038310, 1070258, 1135784, 1419730, 1528940, 1707160, 1987622, 2076620, 2140516, 2675645, 2839460, 3057880, 3975244, 4153240, 4281032, 4969055, 5351290, 5678920, 6956677, 7950488, 9938110, 10702580, 13913354, 19876220, 21405160, 27826708, 34783385, 39752440, 55653416, 69566770, 139133540, 278267080]

約数ペア:

[(1, 278267080), (2, 139133540), (4, 69566770), (5, 55653416), (7, 39752440), (8, 34783385), (10, 27826708), (13, 21405160), (14, 19876220), (20, 13913354), (26, 10702580), (28, 9938110), (35, 7950488), (40, 6956677), (49, 5678920), (52, 5351290), (56, 4969055), (65, 4281032), (67, 4153240), (70, 3975244), (91, 3057880), (98, 2839460), (104, 2675645), (130, 2140516), (134, 2076620), (140, 1987622), (163, 1707160), (182, 1528940), (196, 1419730), (245, 1135784), (260, 1070258), (268, 1038310), (280, 993811), (326, 853580), (335, 830648), (364, 764470), (392, 709865), (455, 611576), (469, 593320), (490, 567892), (520, 535129), (536, 519155), (637, 436840), (652, 426790), (670, 415324), (728, 382235), (815, 341432), (871, 319480), (910, 305788), (938, 296660), (980, 283946), (1141, 243880), (1274, 218420), (1304, 213395), (1340, 207662), (1630, 170716), (1742, 159740), (1820, 152894), (1876, 148330), (1960, 141973), (2119, 131320), (2282, 121940), (2345, 118664), (2548, 109210), (2680, 103831), (3185, 87368), (3260, 85358), (3283, 84760), (3484, 79870), (3640, 76447), (3752, 74165), (4238, 65660), (4355, 63896), (4564, 60970), (4690, 59332), (5096, 54605), (5705, 48776), (6097, 45640), (6370, 43684), (6520, 42679), (6566, 42380), (6968, 39935), (7987, 34840), (8476, 32830), (8710, 31948), (9128, 30485), (9380, 29666), (10595, 26264), (10921, 25480), (11410, 24388), (12194, 22820), (12740, 21842), (13132, 21190), (14833, 18760), (15974, 17420), (16415, 16952)]