287465960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{1153}}^1$

素因数の和:1458

約数の個数: 64

約数和(自身を含む): 677998080

約数和(自身を除く): 390532120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 271, 460, 542, 920, 1084, 1153, 1355, 2168, 2306, 2710, 4612, 5420, 5765, 6233, 9224, 10840, 11530, 12466, 23060, 24932, 26519, 31165, 46120, 49864, 53038, 62330, 106076, 124660, 132595, 212152, 249320, 265190, 312463, 530380, 624926, 1060760, 1249852, 1562315, 2499704, 3124630, 6249260, 7186649, 12498520, 14373298, 28746596, 35933245, 57493192, 71866490, 143732980, 287465960]

約数ペア:

[(1, 287465960), (2, 143732980), (4, 71866490), (5, 57493192), (8, 35933245), (10, 28746596), (20, 14373298), (23, 12498520), (40, 7186649), (46, 6249260), (92, 3124630), (115, 2499704), (184, 1562315), (230, 1249852), (271, 1060760), (460, 624926), (542, 530380), (920, 312463), (1084, 265190), (1153, 249320), (1355, 212152), (2168, 132595), (2306, 124660), (2710, 106076), (4612, 62330), (5420, 53038), (5765, 49864), (6233, 46120), (9224, 31165), (10840, 26519), (11530, 24932), (12466, 23060)]