68768920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{2141}}^1$

素因数の和:2236

約数の個数: 64

約数和(自身を含む): 171188640

約数和(自身を除く): 102419720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 73, 88, 110, 146, 220, 292, 365, 440, 584, 730, 803, 1460, 1606, 2141, 2920, 3212, 4015, 4282, 6424, 8030, 8564, 10705, 16060, 17128, 21410, 23551, 32120, 42820, 47102, 85640, 94204, 117755, 156293, 188408, 235510, 312586, 471020, 625172, 781465, 942040, 1250344, 1562930, 1719223, 3125860, 3438446, 6251720, 6876892, 8596115, 13753784, 17192230, 34384460, 68768920]

約数ペア:

[(1, 68768920), (2, 34384460), (4, 17192230), (5, 13753784), (8, 8596115), (10, 6876892), (11, 6251720), (20, 3438446), (22, 3125860), (40, 1719223), (44, 1562930), (55, 1250344), (73, 942040), (88, 781465), (110, 625172), (146, 471020), (220, 312586), (292, 235510), (365, 188408), (440, 156293), (584, 117755), (730, 94204), (803, 85640), (1460, 47102), (1606, 42820), (2141, 32120), (2920, 23551), (3212, 21410), (4015, 17128), (4282, 16060), (6424, 10705), (8030, 8564)]