78238920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1847}}^1$

素因数の和:2214

約数の個数: 64

約数和(自身を含む): 235509120

約数和(自身を除く): 157270200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 353, 706, 1059, 1412, 1765, 1847, 2118, 2824, 3530, 3694, 4236, 5295, 5541, 7060, 7388, 8472, 9235, 10590, 11082, 14120, 14776, 18470, 21180, 22164, 27705, 36940, 42360, 44328, 55410, 73880, 110820, 221640, 651991, 1303982, 1955973, 2607964, 3259955, 3911946, 5215928, 6519910, 7823892, 9779865, 13039820, 15647784, 19559730, 26079640, 39119460, 78238920]

約数ペア:

[(1, 78238920), (2, 39119460), (3, 26079640), (4, 19559730), (5, 15647784), (6, 13039820), (8, 9779865), (10, 7823892), (12, 6519910), (15, 5215928), (20, 3911946), (24, 3259955), (30, 2607964), (40, 1955973), (60, 1303982), (120, 651991), (353, 221640), (706, 110820), (1059, 73880), (1412, 55410), (1765, 44328), (1847, 42360), (2118, 36940), (2824, 27705), (3530, 22164), (3694, 21180), (4236, 18470), (5295, 14776), (5541, 14120), (7060, 11082), (7388, 10590), (8472, 9235)]