278010810

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{521}}^1$

素因数の和:570

約数の個数: 216

約数和(自身を含む): 926003988

約数和(自身を除く): 647993178

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 30, 33, 35, 42, 45, 49, 55, 63, 66, 70, 77, 90, 98, 99, 105, 110, 121, 126, 147, 154, 165, 198, 210, 231, 242, 245, 294, 315, 330, 363, 385, 441, 462, 490, 495, 521, 539, 605, 630, 693, 726, 735, 770, 847, 882, 990, 1042, 1078, 1089, 1155, 1210, 1386, 1470, 1563, 1617, 1694, 1815, 2178, 2205, 2310, 2541, 2605, 2695, 3126, 3234, 3465, 3630, 3647, 4235, 4410, 4689, 4851, 5082, 5210, 5390, 5445, 5731, 5929, 6930, 7294, 7623, 7815, 8085, 8470, 9378, 9702, 10890, 10941, 11462, 11858, 12705, 15246, 15630, 16170, 17193, 17787, 18235, 21882, 23445, 24255, 25410, 25529, 28655, 29645, 32823, 34386, 35574, 36470, 38115, 40117, 46890, 48510, 51058, 51579, 53361, 54705, 57310, 59290, 63041, 65646, 76230, 76587, 80234, 85965, 88935, 103158, 106722, 109410, 120351, 126082, 127645, 153174, 164115, 171930, 177870, 189123, 200585, 229761, 240702, 255290, 257895, 266805, 280819, 315205, 328230, 361053, 378246, 382935, 401170, 441287, 459522, 515790, 533610, 561638, 567369, 601755, 630410, 722106, 765870, 842457, 882574, 945615, 1134738, 1148805, 1203510, 1323861, 1404095, 1684914, 1805265, 1891230, 2206435, 2297610, 2527371, 2647722, 2808190, 2836845, 3089009, 3610530, 3971583, 4212285, 4412870, 5054742, 5673690, 6178018, 6619305, 7943166, 8424570, 9267027, 12636855, 13238610, 15445045, 18534054, 19857915, 25273710, 27801081, 30890090, 39715830, 46335135, 55602162, 92670270, 139005405, 278010810]

約数ペア:

[(1, 278010810), (2, 139005405), (3, 92670270), (5, 55602162), (6, 46335135), (7, 39715830), (9, 30890090), (10, 27801081), (11, 25273710), (14, 19857915), (15, 18534054), (18, 15445045), (21, 13238610), (22, 12636855), (30, 9267027), (33, 8424570), (35, 7943166), (42, 6619305), (45, 6178018), (49, 5673690), (55, 5054742), (63, 4412870), (66, 4212285), (70, 3971583), (77, 3610530), (90, 3089009), (98, 2836845), (99, 2808190), (105, 2647722), (110, 2527371), (121, 2297610), (126, 2206435), (147, 1891230), (154, 1805265), (165, 1684914), (198, 1404095), (210, 1323861), (231, 1203510), (242, 1148805), (245, 1134738), (294, 945615), (315, 882574), (330, 842457), (363, 765870), (385, 722106), (441, 630410), (462, 601755), (490, 567369), (495, 561638), (521, 533610), (539, 515790), (605, 459522), (630, 441287), (693, 401170), (726, 382935), (735, 378246), (770, 361053), (847, 328230), (882, 315205), (990, 280819), (1042, 266805), (1078, 257895), (1089, 255290), (1155, 240702), (1210, 229761), (1386, 200585), (1470, 189123), (1563, 177870), (1617, 171930), (1694, 164115), (1815, 153174), (2178, 127645), (2205, 126082), (2310, 120351), (2541, 109410), (2605, 106722), (2695, 103158), (3126, 88935), (3234, 85965), (3465, 80234), (3630, 76587), (3647, 76230), (4235, 65646), (4410, 63041), (4689, 59290), (4851, 57310), (5082, 54705), (5210, 53361), (5390, 51579), (5445, 51058), (5731, 48510), (5929, 46890), (6930, 40117), (7294, 38115), (7623, 36470), (7815, 35574), (8085, 34386), (8470, 32823), (9378, 29645), (9702, 28655), (10890, 25529), (10941, 25410), (11462, 24255), (11858, 23445), (12705, 21882), (15246, 18235), (15630, 17787), (16170, 17193)]