215459860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:147

約数の個数: 216

約数和(自身を含む): 611331840

約数和(自身を除く): 395871980

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 49, 55, 70, 77, 79, 92, 98, 110, 115, 121, 140, 154, 158, 161, 196, 220, 230, 242, 245, 253, 308, 316, 322, 385, 395, 460, 484, 490, 506, 539, 553, 605, 644, 770, 790, 805, 847, 869, 980, 1012, 1078, 1106, 1127, 1210, 1265, 1540, 1580, 1610, 1694, 1738, 1771, 1817, 2156, 2212, 2254, 2420, 2530, 2695, 2765, 2783, 3220, 3388, 3476, 3542, 3634, 3871, 4235, 4345, 4508, 5060, 5390, 5530, 5566, 5635, 5929, 6083, 7084, 7268, 7742, 8470, 8690, 8855, 9085, 9559, 10780, 11060, 11132, 11270, 11858, 12166, 12397, 12719, 13915, 15484, 16940, 17380, 17710, 18170, 19118, 19355, 19481, 19987, 22540, 23716, 24332, 24794, 25438, 27830, 29645, 30415, 35420, 36340, 38236, 38710, 38962, 39974, 42581, 47795, 49588, 50876, 55660, 59290, 60830, 61985, 63595, 66913, 77420, 77924, 79948, 85162, 89033, 95590, 97405, 99935, 118580, 121660, 123970, 127190, 133826, 136367, 139909, 170324, 178066, 191180, 194810, 199870, 212905, 219857, 247940, 254380, 267652, 272734, 279818, 334565, 356132, 389620, 399740, 425810, 439714, 445165, 468391, 545468, 559636, 669130, 681835, 699545, 851620, 879428, 890330, 936782, 979363, 1099285, 1338260, 1363670, 1399090, 1538999, 1780660, 1873564, 1958726, 2198570, 2341955, 2727340, 2798180, 3077998, 3917452, 4397140, 4683910, 4896815, 6155996, 7694995, 9367820, 9793630, 10772993, 15389990, 19587260, 21545986, 30779980, 43091972, 53864965, 107729930, 215459860]

約数ペア:

[(1, 215459860), (2, 107729930), (4, 53864965), (5, 43091972), (7, 30779980), (10, 21545986), (11, 19587260), (14, 15389990), (20, 10772993), (22, 9793630), (23, 9367820), (28, 7694995), (35, 6155996), (44, 4896815), (46, 4683910), (49, 4397140), (55, 3917452), (70, 3077998), (77, 2798180), (79, 2727340), (92, 2341955), (98, 2198570), (110, 1958726), (115, 1873564), (121, 1780660), (140, 1538999), (154, 1399090), (158, 1363670), (161, 1338260), (196, 1099285), (220, 979363), (230, 936782), (242, 890330), (245, 879428), (253, 851620), (308, 699545), (316, 681835), (322, 669130), (385, 559636), (395, 545468), (460, 468391), (484, 445165), (490, 439714), (506, 425810), (539, 399740), (553, 389620), (605, 356132), (644, 334565), (770, 279818), (790, 272734), (805, 267652), (847, 254380), (869, 247940), (980, 219857), (1012, 212905), (1078, 199870), (1106, 194810), (1127, 191180), (1210, 178066), (1265, 170324), (1540, 139909), (1580, 136367), (1610, 133826), (1694, 127190), (1738, 123970), (1771, 121660), (1817, 118580), (2156, 99935), (2212, 97405), (2254, 95590), (2420, 89033), (2530, 85162), (2695, 79948), (2765, 77924), (2783, 77420), (3220, 66913), (3388, 63595), (3476, 61985), (3542, 60830), (3634, 59290), (3871, 55660), (4235, 50876), (4345, 49588), (4508, 47795), (5060, 42581), (5390, 39974), (5530, 38962), (5566, 38710), (5635, 38236), (5929, 36340), (6083, 35420), (7084, 30415), (7268, 29645), (7742, 27830), (8470, 25438), (8690, 24794), (8855, 24332), (9085, 23716), (9559, 22540), (10780, 19987), (11060, 19481), (11132, 19355), (11270, 19118), (11858, 18170), (12166, 17710), (12397, 17380), (12719, 16940), (13915, 15484)]