31272780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{967}}^1$

素因数の和:1004

約数の個数: 144

約数和(自身を含む): 111234816

約数和(自身を除く): 79962036

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 84, 98, 105, 110, 132, 140, 147, 154, 165, 196, 210, 220, 231, 245, 294, 308, 330, 385, 420, 462, 490, 539, 588, 660, 735, 770, 924, 967, 980, 1078, 1155, 1470, 1540, 1617, 1934, 2156, 2310, 2695, 2901, 2940, 3234, 3868, 4620, 4835, 5390, 5802, 6468, 6769, 8085, 9670, 10637, 10780, 11604, 13538, 14505, 16170, 19340, 20307, 21274, 27076, 29010, 31911, 32340, 33845, 40614, 42548, 47383, 53185, 58020, 63822, 67690, 74459, 81228, 94766, 101535, 106370, 127644, 135380, 142149, 148918, 159555, 189532, 203070, 212740, 223377, 236915, 284298, 297836, 319110, 372295, 406140, 446754, 473830, 521213, 568596, 638220, 710745, 744590, 893508, 947660, 1042426, 1116885, 1421490, 1489180, 1563639, 2084852, 2233770, 2606065, 2842980, 3127278, 4467540, 5212130, 6254556, 7818195, 10424260, 15636390, 31272780]

約数ペア:

[(1, 31272780), (2, 15636390), (3, 10424260), (4, 7818195), (5, 6254556), (6, 5212130), (7, 4467540), (10, 3127278), (11, 2842980), (12, 2606065), (14, 2233770), (15, 2084852), (20, 1563639), (21, 1489180), (22, 1421490), (28, 1116885), (30, 1042426), (33, 947660), (35, 893508), (42, 744590), (44, 710745), (49, 638220), (55, 568596), (60, 521213), (66, 473830), (70, 446754), (77, 406140), (84, 372295), (98, 319110), (105, 297836), (110, 284298), (132, 236915), (140, 223377), (147, 212740), (154, 203070), (165, 189532), (196, 159555), (210, 148918), (220, 142149), (231, 135380), (245, 127644), (294, 106370), (308, 101535), (330, 94766), (385, 81228), (420, 74459), (462, 67690), (490, 63822), (539, 58020), (588, 53185), (660, 47383), (735, 42548), (770, 40614), (924, 33845), (967, 32340), (980, 31911), (1078, 29010), (1155, 27076), (1470, 21274), (1540, 20307), (1617, 19340), (1934, 16170), (2156, 14505), (2310, 13538), (2695, 11604), (2901, 10780), (2940, 10637), (3234, 9670), (3868, 8085), (4620, 6769), (4835, 6468), (5390, 5802)]