7895720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 20545920

約数和(自身を除く): 12650200

約数列:

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

約数ペア:

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