281455020

素因数分解:

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

素因数の和:1010

約数の個数: 288

約数和(自身を含む): 1112348160

約数和(自身を除く): 830893140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 33, 35, 36, 42, 44, 45, 49, 54, 55, 60, 63, 66, 70, 77, 84, 90, 98, 99, 105, 108, 110, 126, 132, 135, 140, 147, 154, 165, 180, 189, 196, 198, 210, 220, 231, 245, 252, 270, 294, 297, 308, 315, 330, 378, 385, 396, 420, 441, 462, 490, 495, 539, 540, 588, 594, 630, 660, 693, 735, 756, 770, 882, 924, 945, 967, 980, 990, 1078, 1155, 1188, 1260, 1323, 1386, 1470, 1485, 1540, 1617, 1764, 1890, 1934, 1980, 2079, 2156, 2205, 2310, 2646, 2695, 2772, 2901, 2940, 2970, 3234, 3465, 3780, 3868, 4158, 4410, 4620, 4835, 4851, 5292, 5390, 5802, 5940, 6468, 6615, 6769, 6930, 8085, 8316, 8703, 8820, 9670, 9702, 10395, 10637, 10780, 11604, 13230, 13538, 13860, 14505, 14553, 16170, 17406, 19340, 19404, 20307, 20790, 21274, 24255, 26109, 26460, 27076, 29010, 29106, 31911, 32340, 33845, 34812, 40614, 41580, 42548, 43515, 47383, 48510, 52218, 53185, 58020, 58212, 60921, 63822, 67690, 72765, 74459, 81228, 87030, 94766, 95733, 97020, 101535, 104436, 106370, 121842, 127644, 130545, 135380, 142149, 145530, 148918, 159555, 174060, 182763, 189532, 191466, 203070, 212740, 223377, 236915, 243684, 261090, 284298, 287199, 291060, 297836, 304605, 319110, 365526, 372295, 382932, 406140, 426447, 446754, 473830, 478665, 521213, 522180, 568596, 574398, 609210, 638220, 670131, 710745, 731052, 744590, 852894, 893508, 913815, 947660, 957330, 1042426, 1116885, 1148796, 1218420, 1279341, 1340262, 1421490, 1435995, 1489180, 1563639, 1705788, 1827630, 1914660, 2010393, 2084852, 2132235, 2233770, 2558682, 2606065, 2680524, 2842980, 2871990, 3127278, 3350655, 3655260, 4020786, 4264470, 4467540, 4690917, 5117364, 5212130, 5743980, 6254556, 6396705, 6701310, 7818195, 8041572, 8528940, 9381834, 10051965, 10424260, 12793410, 13402620, 14072751, 15636390, 18763668, 20103930, 23454585, 25586820, 28145502, 31272780, 40207860, 46909170, 56291004, 70363755, 93818340, 140727510, 281455020]

約数ペア:

[(1, 281455020), (2, 140727510), (3, 93818340), (4, 70363755), (5, 56291004), (6, 46909170), (7, 40207860), (9, 31272780), (10, 28145502), (11, 25586820), (12, 23454585), (14, 20103930), (15, 18763668), (18, 15636390), (20, 14072751), (21, 13402620), (22, 12793410), (27, 10424260), (28, 10051965), (30, 9381834), (33, 8528940), (35, 8041572), (36, 7818195), (42, 6701310), (44, 6396705), (45, 6254556), (49, 5743980), (54, 5212130), (55, 5117364), (60, 4690917), (63, 4467540), (66, 4264470), (70, 4020786), (77, 3655260), (84, 3350655), (90, 3127278), (98, 2871990), (99, 2842980), (105, 2680524), (108, 2606065), (110, 2558682), (126, 2233770), (132, 2132235), (135, 2084852), (140, 2010393), (147, 1914660), (154, 1827630), (165, 1705788), (180, 1563639), (189, 1489180), (196, 1435995), (198, 1421490), (210, 1340262), (220, 1279341), (231, 1218420), (245, 1148796), (252, 1116885), (270, 1042426), (294, 957330), (297, 947660), (308, 913815), (315, 893508), (330, 852894), (378, 744590), (385, 731052), (396, 710745), (420, 670131), (441, 638220), (462, 609210), (490, 574398), (495, 568596), (539, 522180), (540, 521213), (588, 478665), (594, 473830), (630, 446754), (660, 426447), (693, 406140), (735, 382932), (756, 372295), (770, 365526), (882, 319110), (924, 304605), (945, 297836), (967, 291060), (980, 287199), (990, 284298), (1078, 261090), (1155, 243684), (1188, 236915), (1260, 223377), (1323, 212740), (1386, 203070), (1470, 191466), (1485, 189532), (1540, 182763), (1617, 174060), (1764, 159555), (1890, 148918), (1934, 145530), (1980, 142149), (2079, 135380), (2156, 130545), (2205, 127644), (2310, 121842), (2646, 106370), (2695, 104436), (2772, 101535), (2901, 97020), (2940, 95733), (2970, 94766), (3234, 87030), (3465, 81228), (3780, 74459), (3868, 72765), (4158, 67690), (4410, 63822), (4620, 60921), (4835, 58212), (4851, 58020), (5292, 53185), (5390, 52218), (5802, 48510), (5940, 47383), (6468, 43515), (6615, 42548), (6769, 41580), (6930, 40614), (8085, 34812), (8316, 33845), (8703, 32340), (8820, 31911), (9670, 29106), (9702, 29010), (10395, 27076), (10637, 26460), (10780, 26109), (11604, 24255), (13230, 21274), (13538, 20790), (13860, 20307), (14505, 19404), (14553, 19340), (16170, 17406)]