171281360

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:436

約数の個数: 80

約数和(自身を含む): 408515520

約数和(自身を除く): 237234160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 139, 146, 211, 278, 292, 365, 422, 556, 584, 695, 730, 844, 1055, 1112, 1168, 1390, 1460, 1688, 2110, 2224, 2780, 2920, 3376, 4220, 5560, 5840, 8440, 10147, 11120, 15403, 16880, 20294, 29329, 30806, 40588, 50735, 58658, 61612, 77015, 81176, 101470, 117316, 123224, 146645, 154030, 162352, 202940, 234632, 246448, 293290, 308060, 405880, 469264, 586580, 616120, 811760, 1173160, 1232240, 2141017, 2346320, 4282034, 8564068, 10705085, 17128136, 21410170, 34256272, 42820340, 85640680, 171281360]

約数ペア:

[(1, 171281360), (2, 85640680), (4, 42820340), (5, 34256272), (8, 21410170), (10, 17128136), (16, 10705085), (20, 8564068), (40, 4282034), (73, 2346320), (80, 2141017), (139, 1232240), (146, 1173160), (211, 811760), (278, 616120), (292, 586580), (365, 469264), (422, 405880), (556, 308060), (584, 293290), (695, 246448), (730, 234632), (844, 202940), (1055, 162352), (1112, 154030), (1168, 146645), (1390, 123224), (1460, 117316), (1688, 101470), (2110, 81176), (2224, 77015), (2780, 61612), (2920, 58658), (3376, 50735), (4220, 40588), (5560, 30806), (5840, 29329), (8440, 20294), (10147, 16880), (11120, 15403)]