40184520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1303}}^1$

素因数の和:1574

約数の個数: 64

約数和(自身を含む): 121115520

約数和(自身を除く): 80931000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 514, 771, 1028, 1285, 1303, 1542, 2056, 2570, 2606, 3084, 3855, 3909, 5140, 5212, 6168, 6515, 7710, 7818, 10280, 10424, 13030, 15420, 15636, 19545, 26060, 30840, 31272, 39090, 52120, 78180, 156360, 334871, 669742, 1004613, 1339484, 1674355, 2009226, 2678968, 3348710, 4018452, 5023065, 6697420, 8036904, 10046130, 13394840, 20092260, 40184520]

約数ペア:

[(1, 40184520), (2, 20092260), (3, 13394840), (4, 10046130), (5, 8036904), (6, 6697420), (8, 5023065), (10, 4018452), (12, 3348710), (15, 2678968), (20, 2009226), (24, 1674355), (30, 1339484), (40, 1004613), (60, 669742), (120, 334871), (257, 156360), (514, 78180), (771, 52120), (1028, 39090), (1285, 31272), (1303, 30840), (1542, 26060), (2056, 19545), (2570, 15636), (2606, 15420), (3084, 13030), (3855, 10424), (3909, 10280), (5140, 7818), (5212, 7710), (6168, 6515)]