161089720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{401}}^1$

素因数の和:517

約数の個数: 96

約数和(自身を含む): 404202960

約数和(自身を除く): 243113240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 83, 88, 110, 121, 166, 220, 242, 332, 401, 415, 440, 484, 605, 664, 802, 830, 913, 968, 1210, 1604, 1660, 1826, 2005, 2420, 3208, 3320, 3652, 4010, 4411, 4565, 4840, 7304, 8020, 8822, 9130, 10043, 16040, 17644, 18260, 20086, 22055, 33283, 35288, 36520, 40172, 44110, 48521, 50215, 66566, 80344, 88220, 97042, 100430, 133132, 166415, 176440, 194084, 200860, 242605, 266264, 332830, 366113, 388168, 401720, 485210, 665660, 732226, 970420, 1331320, 1464452, 1830565, 1940840, 2928904, 3661130, 4027243, 7322260, 8054486, 14644520, 16108972, 20136215, 32217944, 40272430, 80544860, 161089720]

約数ペア:

[(1, 161089720), (2, 80544860), (4, 40272430), (5, 32217944), (8, 20136215), (10, 16108972), (11, 14644520), (20, 8054486), (22, 7322260), (40, 4027243), (44, 3661130), (55, 2928904), (83, 1940840), (88, 1830565), (110, 1464452), (121, 1331320), (166, 970420), (220, 732226), (242, 665660), (332, 485210), (401, 401720), (415, 388168), (440, 366113), (484, 332830), (605, 266264), (664, 242605), (802, 200860), (830, 194084), (913, 176440), (968, 166415), (1210, 133132), (1604, 100430), (1660, 97042), (1826, 88220), (2005, 80344), (2420, 66566), (3208, 50215), (3320, 48521), (3652, 44110), (4010, 40172), (4411, 36520), (4565, 35288), (4840, 33283), (7304, 22055), (8020, 20086), (8822, 18260), (9130, 17644), (10043, 16040)]