68515520

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:286

約数の個数: 112

約数和(自身を含む): 175564800

約数和(自身を除く): 107049280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 59, 64, 76, 80, 95, 118, 152, 160, 190, 191, 236, 295, 304, 320, 380, 382, 472, 590, 608, 760, 764, 944, 955, 1121, 1180, 1216, 1520, 1528, 1888, 1910, 2242, 2360, 3040, 3056, 3629, 3776, 3820, 4484, 4720, 5605, 6080, 6112, 7258, 7640, 8968, 9440, 11210, 11269, 12224, 14516, 15280, 17936, 18145, 18880, 22420, 22538, 29032, 30560, 35872, 36290, 44840, 45076, 56345, 58064, 61120, 71744, 72580, 89680, 90152, 112690, 116128, 145160, 179360, 180304, 214111, 225380, 232256, 290320, 358720, 360608, 428222, 450760, 580640, 721216, 856444, 901520, 1070555, 1161280, 1712888, 1803040, 2141110, 3425776, 3606080, 4282220, 6851552, 8564440, 13703104, 17128880, 34257760, 68515520]

約数ペア:

[(1, 68515520), (2, 34257760), (4, 17128880), (5, 13703104), (8, 8564440), (10, 6851552), (16, 4282220), (19, 3606080), (20, 3425776), (32, 2141110), (38, 1803040), (40, 1712888), (59, 1161280), (64, 1070555), (76, 901520), (80, 856444), (95, 721216), (118, 580640), (152, 450760), (160, 428222), (190, 360608), (191, 358720), (236, 290320), (295, 232256), (304, 225380), (320, 214111), (380, 180304), (382, 179360), (472, 145160), (590, 116128), (608, 112690), (760, 90152), (764, 89680), (944, 72580), (955, 71744), (1121, 61120), (1180, 58064), (1216, 56345), (1520, 45076), (1528, 44840), (1888, 36290), (1910, 35872), (2242, 30560), (2360, 29032), (3040, 22538), (3056, 22420), (3629, 18880), (3776, 18145), (3820, 17936), (4484, 15280), (4720, 14516), (5605, 12224), (6080, 11269), (6112, 11210), (7258, 9440), (7640, 8968)]