81437400

素因数分解:

$2^3\times 3^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{457}}^1$

素因数の和:496

約数の個数: 240

約数和(自身を含む): 309232440

約数和(自身を除く): 227795040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 25, 27, 30, 33, 36, 40, 44, 45, 50, 54, 55, 60, 66, 72, 75, 81, 88, 90, 99, 100, 108, 110, 120, 132, 135, 150, 162, 165, 180, 198, 200, 216, 220, 225, 264, 270, 275, 297, 300, 324, 330, 360, 396, 405, 440, 450, 457, 495, 540, 550, 594, 600, 648, 660, 675, 792, 810, 825, 891, 900, 914, 990, 1080, 1100, 1188, 1320, 1350, 1371, 1485, 1620, 1650, 1782, 1800, 1828, 1980, 2025, 2200, 2285, 2376, 2475, 2700, 2742, 2970, 3240, 3300, 3564, 3656, 3960, 4050, 4113, 4455, 4570, 4950, 5027, 5400, 5484, 5940, 6600, 6855, 7128, 7425, 8100, 8226, 8910, 9140, 9900, 10054, 10968, 11425, 11880, 12339, 13710, 14850, 15081, 16200, 16452, 17820, 18280, 19800, 20108, 20565, 22275, 22850, 24678, 25135, 27420, 29700, 30162, 32904, 34275, 35640, 37017, 40216, 41130, 44550, 45243, 45700, 49356, 50270, 54840, 59400, 60324, 61695, 68550, 74034, 75405, 82260, 89100, 90486, 91400, 98712, 100540, 102825, 120648, 123390, 125675, 135729, 137100, 148068, 150810, 164520, 178200, 180972, 185085, 201080, 205650, 226215, 246780, 251350, 271458, 274200, 296136, 301620, 308475, 361944, 370170, 377025, 407187, 411300, 452430, 493560, 502700, 542916, 603240, 616950, 678645, 740340, 754050, 814374, 822600, 904860, 925425, 1005400, 1085832, 1131075, 1233900, 1357290, 1480680, 1508100, 1628748, 1809720, 1850850, 2035935, 2262150, 2467800, 2714580, 3016200, 3257496, 3393225, 3701700, 4071870, 4524300, 5429160, 6786450, 7403400, 8143740, 9048600, 10179675, 13572900, 16287480, 20359350, 27145800, 40718700, 81437400]

約数ペア:

[(1, 81437400), (2, 40718700), (3, 27145800), (4, 20359350), (5, 16287480), (6, 13572900), (8, 10179675), (9, 9048600), (10, 8143740), (11, 7403400), (12, 6786450), (15, 5429160), (18, 4524300), (20, 4071870), (22, 3701700), (24, 3393225), (25, 3257496), (27, 3016200), (30, 2714580), (33, 2467800), (36, 2262150), (40, 2035935), (44, 1850850), (45, 1809720), (50, 1628748), (54, 1508100), (55, 1480680), (60, 1357290), (66, 1233900), (72, 1131075), (75, 1085832), (81, 1005400), (88, 925425), (90, 904860), (99, 822600), (100, 814374), (108, 754050), (110, 740340), (120, 678645), (132, 616950), (135, 603240), (150, 542916), (162, 502700), (165, 493560), (180, 452430), (198, 411300), (200, 407187), (216, 377025), (220, 370170), (225, 361944), (264, 308475), (270, 301620), (275, 296136), (297, 274200), (300, 271458), (324, 251350), (330, 246780), (360, 226215), (396, 205650), (405, 201080), (440, 185085), (450, 180972), (457, 178200), (495, 164520), (540, 150810), (550, 148068), (594, 137100), (600, 135729), (648, 125675), (660, 123390), (675, 120648), (792, 102825), (810, 100540), (825, 98712), (891, 91400), (900, 90486), (914, 89100), (990, 82260), (1080, 75405), (1100, 74034), (1188, 68550), (1320, 61695), (1350, 60324), (1371, 59400), (1485, 54840), (1620, 50270), (1650, 49356), (1782, 45700), (1800, 45243), (1828, 44550), (1980, 41130), (2025, 40216), (2200, 37017), (2285, 35640), (2376, 34275), (2475, 32904), (2700, 30162), (2742, 29700), (2970, 27420), (3240, 25135), (3300, 24678), (3564, 22850), (3656, 22275), (3960, 20565), (4050, 20108), (4113, 19800), (4455, 18280), (4570, 17820), (4950, 16452), (5027, 16200), (5400, 15081), (5484, 14850), (5940, 13710), (6600, 12339), (6855, 11880), (7128, 11425), (7425, 10968), (8100, 10054), (8226, 9900), (8910, 9140)]