15791440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:356

約数の個数: 80

約数和(自身を含む): 42461568

約数和(自身を除く): 26670128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 163, 173, 280, 326, 346, 560, 652, 692, 815, 865, 1141, 1211, 1304, 1384, 1630, 1730, 2282, 2422, 2608, 2768, 3260, 3460, 4564, 4844, 5705, 6055, 6520, 6920, 9128, 9688, 11410, 12110, 13040, 13840, 18256, 19376, 22820, 24220, 28199, 45640, 48440, 56398, 91280, 96880, 112796, 140995, 197393, 225592, 281990, 394786, 451184, 563980, 789572, 986965, 1127960, 1579144, 1973930, 2255920, 3158288, 3947860, 7895720, 15791440]

約数ペア:

[(1, 15791440), (2, 7895720), (4, 3947860), (5, 3158288), (7, 2255920), (8, 1973930), (10, 1579144), (14, 1127960), (16, 986965), (20, 789572), (28, 563980), (35, 451184), (40, 394786), (56, 281990), (70, 225592), (80, 197393), (112, 140995), (140, 112796), (163, 96880), (173, 91280), (280, 56398), (326, 48440), (346, 45640), (560, 28199), (652, 24220), (692, 22820), (815, 19376), (865, 18256), (1141, 13840), (1211, 13040), (1304, 12110), (1384, 11410), (1630, 9688), (1730, 9128), (2282, 6920), (2422, 6520), (2608, 6055), (2768, 5705), (3260, 4844), (3460, 4564)]