30000740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^3\times {\mathrm{23}}^1$

素因数の和:79

約数の個数: 144

約数和(自身を含む): 84115584

約数和(自身を除く): 54114844

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 49, 55, 70, 77, 92, 98, 110, 115, 121, 140, 154, 161, 196, 220, 230, 242, 245, 253, 308, 322, 385, 460, 484, 490, 506, 539, 605, 644, 770, 805, 847, 980, 1012, 1078, 1127, 1210, 1265, 1331, 1540, 1610, 1694, 1771, 2156, 2254, 2420, 2530, 2662, 2695, 2783, 3220, 3388, 3542, 4235, 4508, 5060, 5324, 5390, 5566, 5635, 5929, 6655, 7084, 8470, 8855, 9317, 10780, 11132, 11270, 11858, 12397, 13310, 13915, 16940, 17710, 18634, 19481, 22540, 23716, 24794, 26620, 27830, 29645, 30613, 35420, 37268, 38962, 46585, 49588, 55660, 59290, 61226, 61985, 65219, 77924, 93170, 97405, 118580, 122452, 123970, 130438, 136367, 153065, 186340, 194810, 214291, 247940, 260876, 272734, 306130, 326095, 389620, 428582, 545468, 612260, 652190, 681835, 857164, 1071455, 1304380, 1363670, 1500037, 2142910, 2727340, 3000074, 4285820, 6000148, 7500185, 15000370, 30000740]

約数ペア:

[(1, 30000740), (2, 15000370), (4, 7500185), (5, 6000148), (7, 4285820), (10, 3000074), (11, 2727340), (14, 2142910), (20, 1500037), (22, 1363670), (23, 1304380), (28, 1071455), (35, 857164), (44, 681835), (46, 652190), (49, 612260), (55, 545468), (70, 428582), (77, 389620), (92, 326095), (98, 306130), (110, 272734), (115, 260876), (121, 247940), (140, 214291), (154, 194810), (161, 186340), (196, 153065), (220, 136367), (230, 130438), (242, 123970), (245, 122452), (253, 118580), (308, 97405), (322, 93170), (385, 77924), (460, 65219), (484, 61985), (490, 61226), (506, 59290), (539, 55660), (605, 49588), (644, 46585), (770, 38962), (805, 37268), (847, 35420), (980, 30613), (1012, 29645), (1078, 27830), (1127, 26620), (1210, 24794), (1265, 23716), (1331, 22540), (1540, 19481), (1610, 18634), (1694, 17710), (1771, 16940), (2156, 13915), (2254, 13310), (2420, 12397), (2530, 11858), (2662, 11270), (2695, 11132), (2783, 10780), (3220, 9317), (3388, 8855), (3542, 8470), (4235, 7084), (4508, 6655), (5060, 5929), (5324, 5635), (5390, 5566)]