277844320

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{139}}^1$

素因数の和:229

約数の個数: 144

約数和(自身を含む): 735693840

約数和(自身を除く): 457849520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 139, 155, 160, 208, 248, 260, 278, 310, 403, 416, 496, 520, 556, 620, 695, 806, 961, 992, 1040, 1112, 1240, 1390, 1612, 1807, 1922, 2015, 2080, 2224, 2480, 2780, 3224, 3614, 3844, 4030, 4309, 4448, 4805, 4960, 5560, 6448, 7228, 7688, 8060, 8618, 9035, 9610, 11120, 12493, 12896, 14456, 15376, 16120, 17236, 18070, 19220, 21545, 22240, 24986, 28912, 30752, 32240, 34472, 36140, 38440, 43090, 49972, 56017, 57824, 62465, 64480, 68944, 72280, 76880, 86180, 99944, 112034, 124930, 133579, 137888, 144560, 153760, 172360, 199888, 224068, 249860, 267158, 280085, 289120, 344720, 399776, 448136, 499720, 534316, 560170, 667895, 689440, 896272, 999440, 1068632, 1120340, 1335790, 1736527, 1792544, 1998880, 2137264, 2240680, 2671580, 3473054, 4274528, 4481360, 5343160, 6946108, 8682635, 8962720, 10686320, 13892216, 17365270, 21372640, 27784432, 34730540, 55568864, 69461080, 138922160, 277844320]

約数ペア:

[(1, 277844320), (2, 138922160), (4, 69461080), (5, 55568864), (8, 34730540), (10, 27784432), (13, 21372640), (16, 17365270), (20, 13892216), (26, 10686320), (31, 8962720), (32, 8682635), (40, 6946108), (52, 5343160), (62, 4481360), (65, 4274528), (80, 3473054), (104, 2671580), (124, 2240680), (130, 2137264), (139, 1998880), (155, 1792544), (160, 1736527), (208, 1335790), (248, 1120340), (260, 1068632), (278, 999440), (310, 896272), (403, 689440), (416, 667895), (496, 560170), (520, 534316), (556, 499720), (620, 448136), (695, 399776), (806, 344720), (961, 289120), (992, 280085), (1040, 267158), (1112, 249860), (1240, 224068), (1390, 199888), (1612, 172360), (1807, 153760), (1922, 144560), (2015, 137888), (2080, 133579), (2224, 124930), (2480, 112034), (2780, 99944), (3224, 86180), (3614, 76880), (3844, 72280), (4030, 68944), (4309, 64480), (4448, 62465), (4805, 57824), (4960, 56017), (5560, 49972), (6448, 43090), (7228, 38440), (7688, 36140), (8060, 34472), (8618, 32240), (9035, 30752), (9610, 28912), (11120, 24986), (12493, 22240), (12896, 21545), (14456, 19220), (15376, 18070), (16120, 17236)]