1290148720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{1423}}^1\times {\mathrm{1619}}^1$

素因数の和:3062

約数の個数: 80

約数和(自身を含む): 3432637440

約数和(自身を除く): 2142488720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 1423, 1619, 2846, 3238, 5692, 6476, 7115, 8095, 9961, 11333, 11384, 12952, 14230, 16190, 19922, 22666, 22768, 25904, 28460, 32380, 39844, 45332, 49805, 56665, 56920, 64760, 79688, 90664, 99610, 113330, 113840, 129520, 159376, 181328, 199220, 226660, 398440, 453320, 796880, 906640, 2303837, 4607674, 9215348, 11519185, 16126859, 18430696, 23038370, 32253718, 36861392, 46076740, 64507436, 80634295, 92153480, 129014872, 161268590, 184306960, 258029744, 322537180, 645074360, 1290148720]

約数ペア:

[(1, 1290148720), (2, 645074360), (4, 322537180), (5, 258029744), (7, 184306960), (8, 161268590), (10, 129014872), (14, 92153480), (16, 80634295), (20, 64507436), (28, 46076740), (35, 36861392), (40, 32253718), (56, 23038370), (70, 18430696), (80, 16126859), (112, 11519185), (140, 9215348), (280, 4607674), (560, 2303837), (1423, 906640), (1619, 796880), (2846, 453320), (3238, 398440), (5692, 226660), (6476, 199220), (7115, 181328), (8095, 159376), (9961, 129520), (11333, 113840), (11384, 113330), (12952, 99610), (14230, 90664), (16190, 79688), (19922, 64760), (22666, 56920), (22768, 56665), (25904, 49805), (28460, 45332), (32380, 39844)]