12271980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{479}}^1$

素因数の和:559

約数の個数: 96

約数和(自身を含む): 39997440

約数和(自身を除く): 27725460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 84, 105, 122, 140, 183, 210, 244, 305, 366, 420, 427, 479, 610, 732, 854, 915, 958, 1220, 1281, 1437, 1708, 1830, 1916, 2135, 2395, 2562, 2874, 3353, 3660, 4270, 4790, 5124, 5748, 6405, 6706, 7185, 8540, 9580, 10059, 12810, 13412, 14370, 16765, 20118, 25620, 28740, 29219, 33530, 40236, 50295, 58438, 67060, 87657, 100590, 116876, 146095, 175314, 201180, 204533, 292190, 350628, 409066, 438285, 584380, 613599, 818132, 876570, 1022665, 1227198, 1753140, 2045330, 2454396, 3067995, 4090660, 6135990, 12271980]

約数ペア:

[(1, 12271980), (2, 6135990), (3, 4090660), (4, 3067995), (5, 2454396), (6, 2045330), (7, 1753140), (10, 1227198), (12, 1022665), (14, 876570), (15, 818132), (20, 613599), (21, 584380), (28, 438285), (30, 409066), (35, 350628), (42, 292190), (60, 204533), (61, 201180), (70, 175314), (84, 146095), (105, 116876), (122, 100590), (140, 87657), (183, 67060), (210, 58438), (244, 50295), (305, 40236), (366, 33530), (420, 29219), (427, 28740), (479, 25620), (610, 20118), (732, 16765), (854, 14370), (915, 13412), (958, 12810), (1220, 10059), (1281, 9580), (1437, 8540), (1708, 7185), (1830, 6706), (1916, 6405), (2135, 5748), (2395, 5124), (2562, 4790), (2874, 4270), (3353, 3660)]