120789520

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:392

約数の個数: 80

約数和(自身を含む): 289177920

約数和(自身を除く): 168388400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 157, 163, 236, 295, 314, 326, 472, 590, 628, 652, 785, 815, 944, 1180, 1256, 1304, 1570, 1630, 2360, 2512, 2608, 3140, 3260, 4720, 6280, 6520, 9263, 9617, 12560, 13040, 18526, 19234, 25591, 37052, 38468, 46315, 48085, 51182, 74104, 76936, 92630, 96170, 102364, 127955, 148208, 153872, 185260, 192340, 204728, 255910, 370520, 384680, 409456, 511820, 741040, 769360, 1023640, 1509869, 2047280, 3019738, 6039476, 7549345, 12078952, 15098690, 24157904, 30197380, 60394760, 120789520]

約数ペア:

[(1, 120789520), (2, 60394760), (4, 30197380), (5, 24157904), (8, 15098690), (10, 12078952), (16, 7549345), (20, 6039476), (40, 3019738), (59, 2047280), (80, 1509869), (118, 1023640), (157, 769360), (163, 741040), (236, 511820), (295, 409456), (314, 384680), (326, 370520), (472, 255910), (590, 204728), (628, 192340), (652, 185260), (785, 153872), (815, 148208), (944, 127955), (1180, 102364), (1256, 96170), (1304, 92630), (1570, 76936), (1630, 74104), (2360, 51182), (2512, 48085), (2608, 46315), (3140, 38468), (3260, 37052), (4720, 25591), (6280, 19234), (6520, 18526), (9263, 13040), (9617, 12560)]