15889720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{67}}^1$

素因数の和:114

約数の個数: 144

約数和(自身を含む): 46395720

約数和(自身を除く): 30506000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 67, 70, 77, 88, 98, 110, 121, 134, 140, 154, 196, 220, 242, 245, 268, 280, 308, 335, 385, 392, 440, 469, 484, 490, 536, 539, 605, 616, 670, 737, 770, 847, 938, 968, 980, 1078, 1210, 1340, 1474, 1540, 1694, 1876, 1960, 2156, 2345, 2420, 2680, 2695, 2948, 3080, 3283, 3388, 3685, 3752, 4235, 4312, 4690, 4840, 5159, 5390, 5896, 5929, 6566, 6776, 7370, 8107, 8470, 9380, 10318, 10780, 11858, 13132, 14740, 16214, 16415, 16940, 18760, 20636, 21560, 23716, 25795, 26264, 29480, 29645, 32428, 32830, 33880, 36113, 40535, 41272, 47432, 51590, 56749, 59290, 64856, 65660, 72226, 81070, 103180, 113498, 118580, 131320, 144452, 162140, 180565, 206360, 226996, 237160, 283745, 288904, 324280, 361130, 397243, 453992, 567490, 722260, 794486, 1134980, 1444520, 1588972, 1986215, 2269960, 3177944, 3972430, 7944860, 15889720]

約数ペア:

[(1, 15889720), (2, 7944860), (4, 3972430), (5, 3177944), (7, 2269960), (8, 1986215), (10, 1588972), (11, 1444520), (14, 1134980), (20, 794486), (22, 722260), (28, 567490), (35, 453992), (40, 397243), (44, 361130), (49, 324280), (55, 288904), (56, 283745), (67, 237160), (70, 226996), (77, 206360), (88, 180565), (98, 162140), (110, 144452), (121, 131320), (134, 118580), (140, 113498), (154, 103180), (196, 81070), (220, 72226), (242, 65660), (245, 64856), (268, 59290), (280, 56749), (308, 51590), (335, 47432), (385, 41272), (392, 40535), (440, 36113), (469, 33880), (484, 32830), (490, 32428), (536, 29645), (539, 29480), (605, 26264), (616, 25795), (670, 23716), (737, 21560), (770, 20636), (847, 18760), (938, 16940), (968, 16415), (980, 16214), (1078, 14740), (1210, 13132), (1340, 11858), (1474, 10780), (1540, 10318), (1694, 9380), (1876, 8470), (1960, 8107), (2156, 7370), (2345, 6776), (2420, 6566), (2680, 5929), (2695, 5896), (2948, 5390), (3080, 5159), (3283, 4840), (3388, 4690), (3685, 4312), (3752, 4235)]