20564907120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{361549}}^1$

素因数の和:361647

約数の個数: 120

約数和(自身を含む): 69938232000

約数和(自身を除く): 49373324880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 79, 80, 90, 120, 144, 158, 180, 237, 240, 316, 360, 395, 474, 632, 711, 720, 790, 948, 1185, 1264, 1422, 1580, 1896, 2370, 2844, 3160, 3555, 3792, 4740, 5688, 6320, 7110, 9480, 11376, 14220, 18960, 28440, 56880, 361549, 723098, 1084647, 1446196, 1807745, 2169294, 2892392, 3253941, 3615490, 4338588, 5423235, 5784784, 6507882, 7230980, 8677176, 10846470, 13015764, 14461960, 16269705, 17354352, 21692940, 26031528, 28562371, 28923920, 32539410, 43385880, 52063056, 57124742, 65078820, 85687113, 86771760, 114249484, 130157640, 142811855, 171374226, 228498968, 257061339, 260315280, 285623710, 342748452, 428435565, 456997936, 514122678, 571247420, 685496904, 856871130, 1028245356, 1142494840, 1285306695, 1370993808, 1713742260, 2056490712, 2284989680, 2570613390, 3427484520, 4112981424, 5141226780, 6854969040, 10282453560, 20564907120]

約数ペア:

[(1, 20564907120), (2, 10282453560), (3, 6854969040), (4, 5141226780), (5, 4112981424), (6, 3427484520), (8, 2570613390), (9, 2284989680), (10, 2056490712), (12, 1713742260), (15, 1370993808), (16, 1285306695), (18, 1142494840), (20, 1028245356), (24, 856871130), (30, 685496904), (36, 571247420), (40, 514122678), (45, 456997936), (48, 428435565), (60, 342748452), (72, 285623710), (79, 260315280), (80, 257061339), (90, 228498968), (120, 171374226), (144, 142811855), (158, 130157640), (180, 114249484), (237, 86771760), (240, 85687113), (316, 65078820), (360, 57124742), (395, 52063056), (474, 43385880), (632, 32539410), (711, 28923920), (720, 28562371), (790, 26031528), (948, 21692940), (1185, 17354352), (1264, 16269705), (1422, 14461960), (1580, 13015764), (1896, 10846470), (2370, 8677176), (2844, 7230980), (3160, 6507882), (3555, 5784784), (3792, 5423235), (4740, 4338588), (5688, 3615490), (6320, 3253941), (7110, 2892392), (9480, 2169294), (11376, 1807745), (14220, 1446196), (18960, 1084647), (28440, 723098), (56880, 361549)]