16788420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:226

約数の個数: 144

約数和(自身を含む): 56871360

約数和(自身を除く): 40082940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 61, 66, 90, 99, 110, 122, 132, 139, 165, 180, 183, 198, 220, 244, 278, 305, 330, 366, 396, 417, 495, 549, 556, 610, 660, 671, 695, 732, 834, 915, 990, 1098, 1220, 1251, 1342, 1390, 1529, 1668, 1830, 1980, 2013, 2085, 2196, 2502, 2684, 2745, 2780, 3058, 3355, 3660, 4026, 4170, 4587, 5004, 5490, 6039, 6116, 6255, 6710, 7645, 8052, 8340, 8479, 9174, 10065, 10980, 12078, 12510, 13420, 13761, 15290, 16958, 18348, 20130, 22935, 24156, 25020, 25437, 27522, 30195, 30580, 33916, 40260, 42395, 45870, 50874, 55044, 60390, 68805, 76311, 84790, 91740, 93269, 101748, 120780, 127185, 137610, 152622, 169580, 186538, 254370, 275220, 279807, 305244, 373076, 381555, 466345, 508740, 559614, 763110, 839421, 932690, 1119228, 1399035, 1526220, 1678842, 1865380, 2798070, 3357684, 4197105, 5596140, 8394210, 16788420]

約数ペア:

[(1, 16788420), (2, 8394210), (3, 5596140), (4, 4197105), (5, 3357684), (6, 2798070), (9, 1865380), (10, 1678842), (11, 1526220), (12, 1399035), (15, 1119228), (18, 932690), (20, 839421), (22, 763110), (30, 559614), (33, 508740), (36, 466345), (44, 381555), (45, 373076), (55, 305244), (60, 279807), (61, 275220), (66, 254370), (90, 186538), (99, 169580), (110, 152622), (122, 137610), (132, 127185), (139, 120780), (165, 101748), (180, 93269), (183, 91740), (198, 84790), (220, 76311), (244, 68805), (278, 60390), (305, 55044), (330, 50874), (366, 45870), (396, 42395), (417, 40260), (495, 33916), (549, 30580), (556, 30195), (610, 27522), (660, 25437), (671, 25020), (695, 24156), (732, 22935), (834, 20130), (915, 18348), (990, 16958), (1098, 15290), (1220, 13761), (1251, 13420), (1342, 12510), (1390, 12078), (1529, 10980), (1668, 10065), (1830, 9174), (1980, 8479), (2013, 8340), (2085, 8052), (2196, 7645), (2502, 6710), (2684, 6255), (2745, 6116), (2780, 6039), (3058, 5490), (3355, 5004), (3660, 4587), (4026, 4170)]