21981052680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:504

約数の個数: 256

約数和(自身を含む): 68355705600

約数和(自身を除く): 46374652920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 89, 120, 137, 166, 178, 181, 249, 267, 274, 332, 356, 362, 411, 415, 445, 498, 534, 543, 548, 664, 685, 712, 724, 822, 830, 890, 905, 996, 1068, 1086, 1096, 1245, 1335, 1370, 1448, 1644, 1660, 1780, 1810, 1992, 2055, 2136, 2172, 2490, 2670, 2715, 2740, 3288, 3320, 3560, 3620, 4110, 4344, 4980, 5340, 5430, 5480, 7240, 7387, 8220, 9960, 10680, 10860, 11371, 12193, 14774, 15023, 16109, 16440, 21720, 22161, 22742, 24386, 24797, 29548, 30046, 32218, 34113, 36579, 36935, 44322, 45069, 45484, 48327, 48772, 49594, 56855, 59096, 60092, 60965, 64436, 68226, 73158, 73870, 74391, 75115, 80545, 88644, 90138, 90968, 96654, 97544, 99188, 110805, 113710, 120184, 121930, 123985, 128872, 136452, 146316, 147740, 148782, 150230, 161090, 170565, 177288, 180276, 182895, 193308, 198376, 221610, 225345, 227420, 241635, 243860, 247970, 272904, 292632, 295480, 297564, 300460, 322180, 341130, 360552, 365790, 371955, 386616, 443220, 450690, 454840, 483270, 487720, 495940, 595128, 600920, 644360, 682260, 731580, 743910, 886440, 901380, 966540, 991880, 1012019, 1337047, 1364520, 1463160, 1487820, 1802760, 1933080, 2024038, 2058151, 2206933, 2674094, 2975640, 3036057, 4011141, 4048076, 4116302, 4413866, 5060095, 5348188, 6072114, 6174453, 6620799, 6685235, 8022282, 8096152, 8232604, 8827732, 10120190, 10290755, 10696376, 11034665, 12144228, 12348906, 13241598, 13370470, 15180285, 16044564, 16465208, 17655464, 20055705, 20240380, 20581510, 22069330, 24288456, 24697812, 26483196, 26740940, 30360570, 30872265, 32089128, 33103995, 40111410, 40480760, 41163020, 44138660, 49395624, 52966392, 53481880, 60721140, 61744530, 66207990, 80222820, 82326040, 88277320, 121442280, 123489060, 132415980, 160445640, 183175439, 246978120, 264831960, 366350878, 549526317, 732701756, 915877195, 1099052634, 1465403512, 1831754390, 2198105268, 2747631585, 3663508780, 4396210536, 5495263170, 7327017560, 10990526340, 21981052680]

約数ペア:

[(1, 21981052680), (2, 10990526340), (3, 7327017560), (4, 5495263170), (5, 4396210536), (6, 3663508780), (8, 2747631585), (10, 2198105268), (12, 1831754390), (15, 1465403512), (20, 1099052634), (24, 915877195), (30, 732701756), (40, 549526317), (60, 366350878), (83, 264831960), (89, 246978120), (120, 183175439), (137, 160445640), (166, 132415980), (178, 123489060), (181, 121442280), (249, 88277320), (267, 82326040), (274, 80222820), (332, 66207990), (356, 61744530), (362, 60721140), (411, 53481880), (415, 52966392), (445, 49395624), (498, 44138660), (534, 41163020), (543, 40480760), (548, 40111410), (664, 33103995), (685, 32089128), (712, 30872265), (724, 30360570), (822, 26740940), (830, 26483196), (890, 24697812), (905, 24288456), (996, 22069330), (1068, 20581510), (1086, 20240380), (1096, 20055705), (1245, 17655464), (1335, 16465208), (1370, 16044564), (1448, 15180285), (1644, 13370470), (1660, 13241598), (1780, 12348906), (1810, 12144228), (1992, 11034665), (2055, 10696376), (2136, 10290755), (2172, 10120190), (2490, 8827732), (2670, 8232604), (2715, 8096152), (2740, 8022282), (3288, 6685235), (3320, 6620799), (3560, 6174453), (3620, 6072114), (4110, 5348188), (4344, 5060095), (4980, 4413866), (5340, 4116302), (5430, 4048076), (5480, 4011141), (7240, 3036057), (7387, 2975640), (8220, 2674094), (9960, 2206933), (10680, 2058151), (10860, 2024038), (11371, 1933080), (12193, 1802760), (14774, 1487820), (15023, 1463160), (16109, 1364520), (16440, 1337047), (21720, 1012019), (22161, 991880), (22742, 966540), (24386, 901380), (24797, 886440), (29548, 743910), (30046, 731580), (32218, 682260), (34113, 644360), (36579, 600920), (36935, 595128), (44322, 495940), (45069, 487720), (45484, 483270), (48327, 454840), (48772, 450690), (49594, 443220), (56855, 386616), (59096, 371955), (60092, 365790), (60965, 360552), (64436, 341130), (68226, 322180), (73158, 300460), (73870, 297564), (74391, 295480), (75115, 292632), (80545, 272904), (88644, 247970), (90138, 243860), (90968, 241635), (96654, 227420), (97544, 225345), (99188, 221610), (110805, 198376), (113710, 193308), (120184, 182895), (121930, 180276), (123985, 177288), (128872, 170565), (136452, 161090), (146316, 150230), (147740, 148782)]