87986340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1979}}^1$

素因数の和:2026

約数の個数: 144

約数和(自身を含む): 302702400

約数和(自身を除く): 214716060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1482, 1710, 1979, 2223, 2340, 2470, 2964, 3420, 3705, 3958, 4446, 4940, 5937, 7410, 7916, 8892, 9895, 11115, 11874, 14820, 17811, 19790, 22230, 23748, 25727, 29685, 35622, 37601, 39580, 44460, 51454, 59370, 71244, 75202, 77181, 89055, 102908, 112803, 118740, 128635, 150404, 154362, 178110, 188005, 225606, 231543, 257270, 308724, 338409, 356220, 376010, 385905, 451212, 463086, 488813, 514540, 564015, 676818, 752020, 771810, 926172, 977626, 1128030, 1157715, 1353636, 1466439, 1543620, 1692045, 1955252, 2256060, 2315430, 2444065, 2932878, 3384090, 4399317, 4630860, 4888130, 5865756, 6768180, 7332195, 8798634, 9776260, 14664390, 17597268, 21996585, 29328780, 43993170, 87986340]

約数ペア:

[(1, 87986340), (2, 43993170), (3, 29328780), (4, 21996585), (5, 17597268), (6, 14664390), (9, 9776260), (10, 8798634), (12, 7332195), (13, 6768180), (15, 5865756), (18, 4888130), (19, 4630860), (20, 4399317), (26, 3384090), (30, 2932878), (36, 2444065), (38, 2315430), (39, 2256060), (45, 1955252), (52, 1692045), (57, 1543620), (60, 1466439), (65, 1353636), (76, 1157715), (78, 1128030), (90, 977626), (95, 926172), (114, 771810), (117, 752020), (130, 676818), (156, 564015), (171, 514540), (180, 488813), (190, 463086), (195, 451212), (228, 385905), (234, 376010), (247, 356220), (260, 338409), (285, 308724), (342, 257270), (380, 231543), (390, 225606), (468, 188005), (494, 178110), (570, 154362), (585, 150404), (684, 128635), (741, 118740), (780, 112803), (855, 102908), (988, 89055), (1140, 77181), (1170, 75202), (1235, 71244), (1482, 59370), (1710, 51454), (1979, 44460), (2223, 39580), (2340, 37601), (2470, 35622), (2964, 29685), (3420, 25727), (3705, 23748), (3958, 22230), (4446, 19790), (4940, 17811), (5937, 14820), (7410, 11874), (7916, 11115), (8892, 9895)]