61444620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 196560000

約数和(自身を除く): 135115380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 79, 87, 90, 116, 145, 149, 158, 174, 180, 237, 261, 290, 298, 316, 348, 395, 435, 447, 474, 522, 580, 596, 711, 745, 790, 870, 894, 948, 1044, 1185, 1305, 1341, 1422, 1490, 1580, 1740, 1788, 2235, 2291, 2370, 2610, 2682, 2844, 2980, 3555, 4321, 4470, 4582, 4740, 5220, 5364, 6705, 6873, 7110, 8642, 8940, 9164, 11455, 11771, 12963, 13410, 13746, 14220, 17284, 20619, 21605, 22910, 23542, 25926, 26820, 27492, 34365, 35313, 38889, 41238, 43210, 45820, 47084, 51852, 58855, 64815, 68730, 70626, 77778, 82476, 86420, 103095, 105939, 117710, 129630, 137460, 141252, 155556, 176565, 194445, 206190, 211878, 235420, 259260, 341359, 353130, 388890, 412380, 423756, 529695, 682718, 706260, 777780, 1024077, 1059390, 1365436, 1706795, 2048154, 2118780, 3072231, 3413590, 4096308, 5120385, 6144462, 6827180, 10240770, 12288924, 15361155, 20481540, 30722310, 61444620]

約数ペア:

[(1, 61444620), (2, 30722310), (3, 20481540), (4, 15361155), (5, 12288924), (6, 10240770), (9, 6827180), (10, 6144462), (12, 5120385), (15, 4096308), (18, 3413590), (20, 3072231), (29, 2118780), (30, 2048154), (36, 1706795), (45, 1365436), (58, 1059390), (60, 1024077), (79, 777780), (87, 706260), (90, 682718), (116, 529695), (145, 423756), (149, 412380), (158, 388890), (174, 353130), (180, 341359), (237, 259260), (261, 235420), (290, 211878), (298, 206190), (316, 194445), (348, 176565), (395, 155556), (435, 141252), (447, 137460), (474, 129630), (522, 117710), (580, 105939), (596, 103095), (711, 86420), (745, 82476), (790, 77778), (870, 70626), (894, 68730), (948, 64815), (1044, 58855), (1185, 51852), (1305, 47084), (1341, 45820), (1422, 43210), (1490, 41238), (1580, 38889), (1740, 35313), (1788, 34365), (2235, 27492), (2291, 26820), (2370, 25926), (2610, 23542), (2682, 22910), (2844, 21605), (2980, 20619), (3555, 17284), (4321, 14220), (4470, 13746), (4582, 13410), (4740, 12963), (5220, 11771), (5364, 11455), (6705, 9164), (6873, 8940), (7110, 8642)]