215135480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:206

約数の個数: 192

約数和(自身を含む): 609444000

約数和(自身を除く): 394308520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 53, 56, 70, 76, 95, 98, 106, 109, 133, 140, 152, 190, 196, 212, 218, 245, 265, 266, 280, 371, 380, 392, 424, 436, 490, 530, 532, 545, 665, 742, 760, 763, 872, 931, 980, 1007, 1060, 1064, 1090, 1330, 1484, 1526, 1855, 1862, 1960, 2014, 2071, 2120, 2180, 2597, 2660, 2968, 3052, 3710, 3724, 3815, 4028, 4142, 4360, 4655, 5035, 5194, 5320, 5341, 5777, 6104, 7049, 7420, 7448, 7630, 8056, 8284, 9310, 10070, 10355, 10388, 10682, 11554, 12985, 14098, 14497, 14840, 15260, 16568, 18620, 20140, 20710, 20776, 21364, 23108, 25970, 26705, 28196, 28885, 28994, 30520, 35245, 37240, 40280, 40439, 41420, 42728, 46216, 49343, 51940, 53410, 56392, 57770, 57988, 70490, 72485, 80878, 82840, 98686, 101479, 103880, 106820, 109763, 115540, 115976, 140980, 144970, 161756, 197372, 202195, 202958, 213640, 219526, 231080, 246715, 281960, 283073, 289940, 323512, 394744, 404390, 405916, 439052, 493430, 507395, 548815, 566146, 579880, 768341, 808780, 811832, 878104, 986860, 1014790, 1097630, 1132292, 1415365, 1536682, 1617560, 1973720, 2029580, 2195260, 2264584, 2830730, 3073364, 3841705, 4059160, 4390520, 5378387, 5661460, 6146728, 7683410, 10756774, 11322920, 15366820, 21513548, 26891935, 30733640, 43027096, 53783870, 107567740, 215135480]

約数ペア:

[(1, 215135480), (2, 107567740), (4, 53783870), (5, 43027096), (7, 30733640), (8, 26891935), (10, 21513548), (14, 15366820), (19, 11322920), (20, 10756774), (28, 7683410), (35, 6146728), (38, 5661460), (40, 5378387), (49, 4390520), (53, 4059160), (56, 3841705), (70, 3073364), (76, 2830730), (95, 2264584), (98, 2195260), (106, 2029580), (109, 1973720), (133, 1617560), (140, 1536682), (152, 1415365), (190, 1132292), (196, 1097630), (212, 1014790), (218, 986860), (245, 878104), (265, 811832), (266, 808780), (280, 768341), (371, 579880), (380, 566146), (392, 548815), (424, 507395), (436, 493430), (490, 439052), (530, 405916), (532, 404390), (545, 394744), (665, 323512), (742, 289940), (760, 283073), (763, 281960), (872, 246715), (931, 231080), (980, 219526), (1007, 213640), (1060, 202958), (1064, 202195), (1090, 197372), (1330, 161756), (1484, 144970), (1526, 140980), (1855, 115976), (1862, 115540), (1960, 109763), (2014, 106820), (2071, 103880), (2120, 101479), (2180, 98686), (2597, 82840), (2660, 80878), (2968, 72485), (3052, 70490), (3710, 57988), (3724, 57770), (3815, 56392), (4028, 53410), (4142, 51940), (4360, 49343), (4655, 46216), (5035, 42728), (5194, 41420), (5320, 40439), (5341, 40280), (5777, 37240), (6104, 35245), (7049, 30520), (7420, 28994), (7448, 28885), (7630, 28196), (8056, 26705), (8284, 25970), (9310, 23108), (10070, 21364), (10355, 20776), (10388, 20710), (10682, 20140), (11554, 18620), (12985, 16568), (14098, 15260), (14497, 14840)]