42745280

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^2\times {\mathrm{139}}^1$

素因数の和:218

約数の個数: 84

約数和(自身を含む): 105933240

約数和(自身を除く): 63187960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 139, 155, 160, 248, 278, 310, 320, 496, 556, 620, 695, 961, 992, 1112, 1240, 1390, 1922, 1984, 2224, 2480, 2780, 3844, 4309, 4448, 4805, 4960, 5560, 7688, 8618, 8896, 9610, 9920, 11120, 15376, 17236, 19220, 21545, 22240, 30752, 34472, 38440, 43090, 44480, 61504, 68944, 76880, 86180, 133579, 137888, 153760, 172360, 267158, 275776, 307520, 344720, 534316, 667895, 689440, 1068632, 1335790, 1378880, 2137264, 2671580, 4274528, 5343160, 8549056, 10686320, 21372640, 42745280]

約数ペア:

[(1, 42745280), (2, 21372640), (4, 10686320), (5, 8549056), (8, 5343160), (10, 4274528), (16, 2671580), (20, 2137264), (31, 1378880), (32, 1335790), (40, 1068632), (62, 689440), (64, 667895), (80, 534316), (124, 344720), (139, 307520), (155, 275776), (160, 267158), (248, 172360), (278, 153760), (310, 137888), (320, 133579), (496, 86180), (556, 76880), (620, 68944), (695, 61504), (961, 44480), (992, 43090), (1112, 38440), (1240, 34472), (1390, 30752), (1922, 22240), (1984, 21545), (2224, 19220), (2480, 17236), (2780, 15376), (3844, 11120), (4309, 9920), (4448, 9610), (4805, 8896), (4960, 8618), (5560, 7688)]