68963920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{769}}^1$

素因数の和:860

約数の個数: 80

約数和(自身を含む): 171864000

約数和(自身を除く): 102900080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 59, 76, 80, 95, 118, 152, 190, 236, 295, 304, 380, 472, 590, 760, 769, 944, 1121, 1180, 1520, 1538, 2242, 2360, 3076, 3845, 4484, 4720, 5605, 6152, 7690, 8968, 11210, 12304, 14611, 15380, 17936, 22420, 29222, 30760, 44840, 45371, 58444, 61520, 73055, 89680, 90742, 116888, 146110, 181484, 226855, 233776, 292220, 362968, 453710, 584440, 725936, 862049, 907420, 1168880, 1724098, 1814840, 3448196, 3629680, 4310245, 6896392, 8620490, 13792784, 17240980, 34481960, 68963920]

約数ペア:

[(1, 68963920), (2, 34481960), (4, 17240980), (5, 13792784), (8, 8620490), (10, 6896392), (16, 4310245), (19, 3629680), (20, 3448196), (38, 1814840), (40, 1724098), (59, 1168880), (76, 907420), (80, 862049), (95, 725936), (118, 584440), (152, 453710), (190, 362968), (236, 292220), (295, 233776), (304, 226855), (380, 181484), (472, 146110), (590, 116888), (760, 90742), (769, 89680), (944, 73055), (1121, 61520), (1180, 58444), (1520, 45371), (1538, 44840), (2242, 30760), (2360, 29222), (3076, 22420), (3845, 17936), (4484, 15380), (4720, 14611), (5605, 12304), (6152, 11210), (7690, 8968)]