153945280

素因数分解:

$2^6\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3461}}^1$

素因数の和:3617

約数の個数: 56

約数和(自身を含む): 369326160

約数和(自身を除く): 215380880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 139, 160, 278, 320, 556, 695, 1112, 1390, 2224, 2780, 3461, 4448, 5560, 6922, 8896, 11120, 13844, 17305, 22240, 27688, 34610, 44480, 55376, 69220, 110752, 138440, 221504, 276880, 481079, 553760, 962158, 1107520, 1924316, 2405395, 3848632, 4810790, 7697264, 9621580, 15394528, 19243160, 30789056, 38486320, 76972640, 153945280]

約数ペア:

[(1, 153945280), (2, 76972640), (4, 38486320), (5, 30789056), (8, 19243160), (10, 15394528), (16, 9621580), (20, 7697264), (32, 4810790), (40, 3848632), (64, 2405395), (80, 1924316), (139, 1107520), (160, 962158), (278, 553760), (320, 481079), (556, 276880), (695, 221504), (1112, 138440), (1390, 110752), (2224, 69220), (2780, 55376), (3461, 44480), (4448, 34610), (5560, 27688), (6922, 22240), (8896, 17305), (11120, 13844)]