12885990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:126

約数の個数: 128

約数和(自身を含む): 36771840

約数和(自身を除く): 23885850

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 37, 38, 39, 47, 57, 65, 74, 78, 94, 95, 111, 114, 130, 141, 185, 190, 195, 222, 235, 247, 282, 285, 370, 390, 470, 481, 494, 555, 570, 611, 703, 705, 741, 893, 962, 1110, 1222, 1235, 1406, 1410, 1443, 1482, 1739, 1786, 1833, 2109, 2405, 2470, 2679, 2886, 3055, 3478, 3515, 3666, 3705, 4218, 4465, 4810, 5217, 5358, 6110, 7030, 7215, 7410, 8695, 8930, 9139, 9165, 10434, 10545, 11609, 13395, 14430, 17390, 18278, 18330, 21090, 22607, 23218, 26085, 26790, 27417, 33041, 34827, 45214, 45695, 52170, 54834, 58045, 66082, 67821, 69654, 91390, 99123, 113035, 116090, 135642, 137085, 165205, 174135, 198246, 226070, 274170, 330410, 339105, 348270, 429533, 495615, 678210, 859066, 991230, 1288599, 2147665, 2577198, 4295330, 6442995, 12885990]

約数ペア:

[(1, 12885990), (2, 6442995), (3, 4295330), (5, 2577198), (6, 2147665), (10, 1288599), (13, 991230), (15, 859066), (19, 678210), (26, 495615), (30, 429533), (37, 348270), (38, 339105), (39, 330410), (47, 274170), (57, 226070), (65, 198246), (74, 174135), (78, 165205), (94, 137085), (95, 135642), (111, 116090), (114, 113035), (130, 99123), (141, 91390), (185, 69654), (190, 67821), (195, 66082), (222, 58045), (235, 54834), (247, 52170), (282, 45695), (285, 45214), (370, 34827), (390, 33041), (470, 27417), (481, 26790), (494, 26085), (555, 23218), (570, 22607), (611, 21090), (703, 18330), (705, 18278), (741, 17390), (893, 14430), (962, 13395), (1110, 11609), (1222, 10545), (1235, 10434), (1406, 9165), (1410, 9139), (1443, 8930), (1482, 8695), (1739, 7410), (1786, 7215), (1833, 7030), (2109, 6110), (2405, 5358), (2470, 5217), (2679, 4810), (2886, 4465), (3055, 4218), (3478, 3705), (3515, 3666)]