221571540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:191

約数の個数: 288

約数和(自身を含む): 776805120

約数和(自身を除く): 555233580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 37, 38, 45, 51, 57, 60, 68, 74, 76, 85, 90, 95, 102, 103, 111, 114, 148, 153, 170, 171, 180, 185, 190, 204, 206, 222, 228, 255, 285, 306, 309, 323, 333, 340, 342, 370, 380, 412, 444, 510, 515, 555, 570, 612, 618, 629, 646, 666, 684, 703, 740, 765, 855, 927, 969, 1020, 1030, 1110, 1140, 1236, 1258, 1292, 1332, 1406, 1530, 1545, 1615, 1665, 1710, 1751, 1854, 1887, 1938, 1957, 2060, 2109, 2220, 2516, 2812, 2907, 3060, 3090, 3145, 3230, 3330, 3420, 3502, 3515, 3708, 3774, 3811, 3876, 3914, 4218, 4635, 4845, 5253, 5661, 5814, 5871, 6180, 6290, 6327, 6460, 6660, 7004, 7030, 7548, 7622, 7828, 8436, 8755, 9270, 9435, 9690, 9785, 10506, 10545, 11322, 11433, 11628, 11742, 11951, 12580, 12654, 14060, 14535, 15244, 15759, 17510, 17613, 18540, 18870, 19055, 19380, 19570, 21012, 21090, 22644, 22866, 23484, 23902, 25308, 26265, 28305, 29070, 29355, 31518, 31635, 33269, 34299, 35020, 35226, 35853, 37740, 38110, 39140, 42180, 45732, 47804, 52530, 56610, 57165, 58140, 58710, 59755, 63036, 63270, 64787, 66538, 68598, 70452, 71706, 72409, 76220, 78795, 88065, 99807, 105060, 107559, 113220, 114330, 117420, 119510, 126540, 129574, 133076, 137196, 143412, 144818, 157590, 166345, 171495, 176130, 179265, 194361, 199614, 215118, 217227, 228660, 239020, 259148, 289636, 299421, 315180, 323935, 332690, 342990, 352260, 358530, 362045, 388722, 399228, 430236, 434454, 499035, 537795, 583083, 598842, 647870, 651681, 665380, 685980, 717060, 724090, 777444, 868908, 971805, 998070, 1075590, 1086135, 1166166, 1197684, 1230953, 1295740, 1303362, 1448180, 1497105, 1943610, 1996140, 2151180, 2172270, 2332332, 2461906, 2606724, 2915415, 2994210, 3258405, 3692859, 3887220, 4344540, 4923812, 5830830, 5988420, 6154765, 6516810, 7385718, 11078577, 11661660, 12309530, 13033620, 14771436, 18464295, 22157154, 24619060, 36928590, 44314308, 55392885, 73857180, 110785770, 221571540]

約数ペア:

[(1, 221571540), (2, 110785770), (3, 73857180), (4, 55392885), (5, 44314308), (6, 36928590), (9, 24619060), (10, 22157154), (12, 18464295), (15, 14771436), (17, 13033620), (18, 12309530), (19, 11661660), (20, 11078577), (30, 7385718), (34, 6516810), (36, 6154765), (37, 5988420), (38, 5830830), (45, 4923812), (51, 4344540), (57, 3887220), (60, 3692859), (68, 3258405), (74, 2994210), (76, 2915415), (85, 2606724), (90, 2461906), (95, 2332332), (102, 2172270), (103, 2151180), (111, 1996140), (114, 1943610), (148, 1497105), (153, 1448180), (170, 1303362), (171, 1295740), (180, 1230953), (185, 1197684), (190, 1166166), (204, 1086135), (206, 1075590), (222, 998070), (228, 971805), (255, 868908), (285, 777444), (306, 724090), (309, 717060), (323, 685980), (333, 665380), (340, 651681), (342, 647870), (370, 598842), (380, 583083), (412, 537795), (444, 499035), (510, 434454), (515, 430236), (555, 399228), (570, 388722), (612, 362045), (618, 358530), (629, 352260), (646, 342990), (666, 332690), (684, 323935), (703, 315180), (740, 299421), (765, 289636), (855, 259148), (927, 239020), (969, 228660), (1020, 217227), (1030, 215118), (1110, 199614), (1140, 194361), (1236, 179265), (1258, 176130), (1292, 171495), (1332, 166345), (1406, 157590), (1530, 144818), (1545, 143412), (1615, 137196), (1665, 133076), (1710, 129574), (1751, 126540), (1854, 119510), (1887, 117420), (1938, 114330), (1957, 113220), (2060, 107559), (2109, 105060), (2220, 99807), (2516, 88065), (2812, 78795), (2907, 76220), (3060, 72409), (3090, 71706), (3145, 70452), (3230, 68598), (3330, 66538), (3420, 64787), (3502, 63270), (3515, 63036), (3708, 59755), (3774, 58710), (3811, 58140), (3876, 57165), (3914, 56610), (4218, 52530), (4635, 47804), (4845, 45732), (5253, 42180), (5661, 39140), (5814, 38110), (5871, 37740), (6180, 35853), (6290, 35226), (6327, 35020), (6460, 34299), (6660, 33269), (7004, 31635), (7030, 31518), (7548, 29355), (7622, 29070), (7828, 28305), (8436, 26265), (8755, 25308), (9270, 23902), (9435, 23484), (9690, 22866), (9785, 22644), (10506, 21090), (10545, 21012), (11322, 19570), (11433, 19380), (11628, 19055), (11742, 18870), (11951, 18540), (12580, 17613), (12654, 17510), (14060, 15759), (14535, 15244)]