1721051280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61291}}^1$

素因数の和:61326

約数の個数: 160

約数和(自身を含む): 6384174720

約数和(自身を除く): 4663123440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 180, 195, 208, 216, 234, 240, 260, 270, 312, 351, 360, 390, 432, 468, 520, 540, 585, 624, 702, 720, 780, 936, 1040, 1080, 1170, 1404, 1560, 1755, 1872, 2160, 2340, 2808, 3120, 3510, 4680, 5616, 7020, 9360, 14040, 28080, 61291, 122582, 183873, 245164, 306455, 367746, 490328, 551619, 612910, 735492, 796783, 919365, 980656, 1103238, 1225820, 1470984, 1593566, 1654857, 1838730, 2206476, 2390349, 2451640, 2758095, 2941968, 3187132, 3309714, 3677460, 3983915, 4412952, 4780698, 4903280, 5516190, 6374264, 6619428, 7171047, 7354920, 7967830, 8274285, 8825904, 9561396, 11032380, 11951745, 12748528, 13238856, 14342094, 14709840, 15935660, 16548570, 19122792, 21513141, 22064760, 23903490, 26477712, 28684188, 31871320, 33097140, 35855235, 38245584, 43026282, 44129520, 47806980, 57368376, 63742640, 66194280, 71710470, 86052564, 95613960, 107565705, 114736752, 132388560, 143420940, 172105128, 191227920, 215131410, 286841880, 344210256, 430262820, 573683760, 860525640, 1721051280]

約数ペア:

[(1, 1721051280), (2, 860525640), (3, 573683760), (4, 430262820), (5, 344210256), (6, 286841880), (8, 215131410), (9, 191227920), (10, 172105128), (12, 143420940), (13, 132388560), (15, 114736752), (16, 107565705), (18, 95613960), (20, 86052564), (24, 71710470), (26, 66194280), (27, 63742640), (30, 57368376), (36, 47806980), (39, 44129520), (40, 43026282), (45, 38245584), (48, 35855235), (52, 33097140), (54, 31871320), (60, 28684188), (65, 26477712), (72, 23903490), (78, 22064760), (80, 21513141), (90, 19122792), (104, 16548570), (108, 15935660), (117, 14709840), (120, 14342094), (130, 13238856), (135, 12748528), (144, 11951745), (156, 11032380), (180, 9561396), (195, 8825904), (208, 8274285), (216, 7967830), (234, 7354920), (240, 7171047), (260, 6619428), (270, 6374264), (312, 5516190), (351, 4903280), (360, 4780698), (390, 4412952), (432, 3983915), (468, 3677460), (520, 3309714), (540, 3187132), (585, 2941968), (624, 2758095), (702, 2451640), (720, 2390349), (780, 2206476), (936, 1838730), (1040, 1654857), (1080, 1593566), (1170, 1470984), (1404, 1225820), (1560, 1103238), (1755, 980656), (1872, 919365), (2160, 796783), (2340, 735492), (2808, 612910), (3120, 551619), (3510, 490328), (4680, 367746), (5616, 306455), (7020, 245164), (9360, 183873), (14040, 122582), (28080, 61291)]