78973720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12263}}^1$

素因数の和:12304

約数の個数: 64

約数和(自身を含む): 211921920

約数和(自身を除く): 132948200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 12263, 24526, 49052, 61315, 85841, 98104, 122630, 171682, 245260, 282049, 343364, 429205, 490520, 564098, 686728, 858410, 1128196, 1410245, 1716820, 1974343, 2256392, 2820490, 3433640, 3948686, 5640980, 7897372, 9871715, 11281960, 15794744, 19743430, 39486860, 78973720]

約数ペア:

[(1, 78973720), (2, 39486860), (4, 19743430), (5, 15794744), (7, 11281960), (8, 9871715), (10, 7897372), (14, 5640980), (20, 3948686), (23, 3433640), (28, 2820490), (35, 2256392), (40, 1974343), (46, 1716820), (56, 1410245), (70, 1128196), (92, 858410), (115, 686728), (140, 564098), (161, 490520), (184, 429205), (230, 343364), (280, 282049), (322, 245260), (460, 171682), (644, 122630), (805, 98104), (920, 85841), (1288, 61315), (1610, 49052), (3220, 24526), (6440, 12263)]