278154320

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1901}}^1$

素因数の和:2004

約数の個数: 80

約数和(自身を含む): 679242240

約数和(自身を除く): 401087920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 59, 62, 80, 118, 124, 155, 236, 248, 295, 310, 472, 496, 590, 620, 944, 1180, 1240, 1829, 1901, 2360, 2480, 3658, 3802, 4720, 7316, 7604, 9145, 9505, 14632, 15208, 18290, 19010, 29264, 30416, 36580, 38020, 58931, 73160, 76040, 112159, 117862, 146320, 152080, 224318, 235724, 294655, 448636, 471448, 560795, 589310, 897272, 942896, 1121590, 1178620, 1794544, 2243180, 2357240, 3476929, 4486360, 4714480, 6953858, 8972720, 13907716, 17384645, 27815432, 34769290, 55630864, 69538580, 139077160, 278154320]

約数ペア:

[(1, 278154320), (2, 139077160), (4, 69538580), (5, 55630864), (8, 34769290), (10, 27815432), (16, 17384645), (20, 13907716), (31, 8972720), (40, 6953858), (59, 4714480), (62, 4486360), (80, 3476929), (118, 2357240), (124, 2243180), (155, 1794544), (236, 1178620), (248, 1121590), (295, 942896), (310, 897272), (472, 589310), (496, 560795), (590, 471448), (620, 448636), (944, 294655), (1180, 235724), (1240, 224318), (1829, 152080), (1901, 146320), (2360, 117862), (2480, 112159), (3658, 76040), (3802, 73160), (4720, 58931), (7316, 38020), (7604, 36580), (9145, 30416), (9505, 29264), (14632, 19010), (15208, 18290)]