20015288280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{70111}}^1$

素因数の和:70202

約数の個数: 192

約数和(自身を含む): 71202942720

約数和(自身を除く): 51187654440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 61, 65, 72, 78, 90, 104, 117, 120, 122, 130, 156, 180, 183, 195, 234, 244, 260, 305, 312, 360, 366, 390, 468, 488, 520, 549, 585, 610, 732, 780, 793, 915, 936, 1098, 1170, 1220, 1464, 1560, 1586, 1830, 2196, 2340, 2379, 2440, 2745, 3172, 3660, 3965, 4392, 4680, 4758, 5490, 6344, 7137, 7320, 7930, 9516, 10980, 11895, 14274, 15860, 19032, 21960, 23790, 28548, 31720, 35685, 47580, 57096, 70111, 71370, 95160, 140222, 142740, 210333, 280444, 285480, 350555, 420666, 560888, 630999, 701110, 841332, 911443, 1051665, 1261998, 1402220, 1682664, 1822886, 2103330, 2523996, 2734329, 2804440, 3154995, 3645772, 4206660, 4276771, 4557215, 5047992, 5468658, 6309990, 7291544, 8202987, 8413320, 8553542, 9114430, 10937316, 12619980, 12830313, 13671645, 16405974, 17107084, 18228860, 21383855, 21874632, 25239960, 25660626, 27343290, 32811948, 34214168, 36457720, 38490939, 41014935, 42767710, 51321252, 54686580, 55598023, 64151565, 65623896, 76981878, 82029870, 85535420, 102642504, 109373160, 111196046, 128303130, 153963756, 164059740, 166794069, 171070840, 192454695, 222392092, 256606260, 277990115, 307927512, 328119480, 333588138, 384909390, 444784184, 500382207, 513212520, 555980230, 667176276, 769818780, 833970345, 1000764414, 1111960460, 1334352552, 1539637560, 1667940690, 2001528828, 2223920920, 2501911035, 3335881380, 4003057656, 5003822070, 6671762760, 10007644140, 20015288280]

約数ペア:

[(1, 20015288280), (2, 10007644140), (3, 6671762760), (4, 5003822070), (5, 4003057656), (6, 3335881380), (8, 2501911035), (9, 2223920920), (10, 2001528828), (12, 1667940690), (13, 1539637560), (15, 1334352552), (18, 1111960460), (20, 1000764414), (24, 833970345), (26, 769818780), (30, 667176276), (36, 555980230), (39, 513212520), (40, 500382207), (45, 444784184), (52, 384909390), (60, 333588138), (61, 328119480), (65, 307927512), (72, 277990115), (78, 256606260), (90, 222392092), (104, 192454695), (117, 171070840), (120, 166794069), (122, 164059740), (130, 153963756), (156, 128303130), (180, 111196046), (183, 109373160), (195, 102642504), (234, 85535420), (244, 82029870), (260, 76981878), (305, 65623896), (312, 64151565), (360, 55598023), (366, 54686580), (390, 51321252), (468, 42767710), (488, 41014935), (520, 38490939), (549, 36457720), (585, 34214168), (610, 32811948), (732, 27343290), (780, 25660626), (793, 25239960), (915, 21874632), (936, 21383855), (1098, 18228860), (1170, 17107084), (1220, 16405974), (1464, 13671645), (1560, 12830313), (1586, 12619980), (1830, 10937316), (2196, 9114430), (2340, 8553542), (2379, 8413320), (2440, 8202987), (2745, 7291544), (3172, 6309990), (3660, 5468658), (3965, 5047992), (4392, 4557215), (4680, 4276771), (4758, 4206660), (5490, 3645772), (6344, 3154995), (7137, 2804440), (7320, 2734329), (7930, 2523996), (9516, 2103330), (10980, 1822886), (11895, 1682664), (14274, 1402220), (15860, 1261998), (19032, 1051665), (21960, 911443), (23790, 841332), (28548, 701110), (31720, 630999), (35685, 560888), (47580, 420666), (57096, 350555), (70111, 285480), (71370, 280444), (95160, 210333), (140222, 142740)]