201261280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{661}}^1$

素因数の和:860

約数の個数: 96

約数和(自身を含む): 522492768

約数和(自身を除く): 321231488

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 173, 176, 220, 346, 352, 440, 661, 692, 865, 880, 1322, 1384, 1730, 1760, 1903, 2644, 2768, 3305, 3460, 3806, 5288, 5536, 6610, 6920, 7271, 7612, 9515, 10576, 13220, 13840, 14542, 15224, 19030, 21152, 26440, 27680, 29084, 30448, 36355, 38060, 52880, 58168, 60896, 72710, 76120, 105760, 114353, 116336, 145420, 152240, 228706, 232672, 290840, 304480, 457412, 571765, 581680, 914824, 1143530, 1163360, 1257883, 1829648, 2287060, 2515766, 3659296, 4574120, 5031532, 6289415, 9148240, 10063064, 12578830, 18296480, 20126128, 25157660, 40252256, 50315320, 100630640, 201261280]

約数ペア:

[(1, 201261280), (2, 100630640), (4, 50315320), (5, 40252256), (8, 25157660), (10, 20126128), (11, 18296480), (16, 12578830), (20, 10063064), (22, 9148240), (32, 6289415), (40, 5031532), (44, 4574120), (55, 3659296), (80, 2515766), (88, 2287060), (110, 1829648), (160, 1257883), (173, 1163360), (176, 1143530), (220, 914824), (346, 581680), (352, 571765), (440, 457412), (661, 304480), (692, 290840), (865, 232672), (880, 228706), (1322, 152240), (1384, 145420), (1730, 116336), (1760, 114353), (1903, 105760), (2644, 76120), (2768, 72710), (3305, 60896), (3460, 58168), (3806, 52880), (5288, 38060), (5536, 36355), (6610, 30448), (6920, 29084), (7271, 27680), (7612, 26440), (9515, 21152), (10576, 19030), (13220, 15224), (13840, 14542)]