81318600

素因数分解:

$2^3\times 3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^2$

素因数の和:110

約数の個数: 288

約数和(自身を含む): 314042400

約数和(自身を除く): 232723800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 25, 27, 30, 33, 36, 37, 40, 44, 45, 50, 54, 55, 60, 66, 72, 74, 75, 88, 90, 99, 100, 108, 110, 111, 120, 132, 135, 148, 150, 165, 180, 185, 198, 200, 216, 220, 222, 225, 264, 270, 275, 296, 297, 300, 330, 333, 360, 370, 396, 407, 440, 444, 450, 495, 540, 550, 555, 594, 600, 660, 666, 675, 740, 792, 814, 825, 888, 900, 925, 990, 999, 1080, 1100, 1110, 1188, 1221, 1320, 1332, 1350, 1369, 1480, 1485, 1628, 1650, 1665, 1800, 1850, 1980, 1998, 2035, 2200, 2220, 2376, 2442, 2475, 2664, 2700, 2738, 2775, 2970, 3256, 3300, 3330, 3663, 3700, 3960, 3996, 4070, 4107, 4440, 4884, 4950, 4995, 5400, 5476, 5550, 5940, 6105, 6600, 6660, 6845, 7326, 7400, 7425, 7992, 8140, 8214, 8325, 9768, 9900, 9990, 10175, 10952, 10989, 11100, 11880, 12210, 12321, 13320, 13690, 14652, 14850, 15059, 16280, 16428, 16650, 18315, 19800, 19980, 20350, 20535, 21978, 22200, 24420, 24642, 24975, 27380, 29304, 29700, 30118, 30525, 32856, 33300, 34225, 36630, 36963, 39960, 40700, 41070, 43956, 45177, 48840, 49284, 49950, 54760, 54945, 59400, 60236, 61050, 61605, 66600, 68450, 73260, 73926, 75295, 81400, 82140, 87912, 90354, 91575, 98568, 99900, 102675, 109890, 120472, 122100, 123210, 135531, 136900, 146520, 147852, 150590, 164280, 180708, 183150, 184815, 199800, 205350, 219780, 225885, 244200, 246420, 271062, 273800, 274725, 295704, 301180, 308025, 361416, 366300, 369630, 376475, 406593, 410700, 439560, 451770, 492840, 542124, 549450, 602360, 616050, 677655, 732600, 739260, 752950, 813186, 821400, 903540, 924075, 1084248, 1098900, 1129425, 1232100, 1355310, 1478520, 1505900, 1626372, 1807080, 1848150, 2032965, 2197800, 2258850, 2464200, 2710620, 3011800, 3252744, 3388275, 3696300, 4065930, 4517700, 5421240, 6776550, 7392600, 8131860, 9035400, 10164825, 13553100, 16263720, 20329650, 27106200, 40659300, 81318600]

約数ペア:

[(1, 81318600), (2, 40659300), (3, 27106200), (4, 20329650), (5, 16263720), (6, 13553100), (8, 10164825), (9, 9035400), (10, 8131860), (11, 7392600), (12, 6776550), (15, 5421240), (18, 4517700), (20, 4065930), (22, 3696300), (24, 3388275), (25, 3252744), (27, 3011800), (30, 2710620), (33, 2464200), (36, 2258850), (37, 2197800), (40, 2032965), (44, 1848150), (45, 1807080), (50, 1626372), (54, 1505900), (55, 1478520), (60, 1355310), (66, 1232100), (72, 1129425), (74, 1098900), (75, 1084248), (88, 924075), (90, 903540), (99, 821400), (100, 813186), (108, 752950), (110, 739260), (111, 732600), (120, 677655), (132, 616050), (135, 602360), (148, 549450), (150, 542124), (165, 492840), (180, 451770), (185, 439560), (198, 410700), (200, 406593), (216, 376475), (220, 369630), (222, 366300), (225, 361416), (264, 308025), (270, 301180), (275, 295704), (296, 274725), (297, 273800), (300, 271062), (330, 246420), (333, 244200), (360, 225885), (370, 219780), (396, 205350), (407, 199800), (440, 184815), (444, 183150), (450, 180708), (495, 164280), (540, 150590), (550, 147852), (555, 146520), (594, 136900), (600, 135531), (660, 123210), (666, 122100), (675, 120472), (740, 109890), (792, 102675), (814, 99900), (825, 98568), (888, 91575), (900, 90354), (925, 87912), (990, 82140), (999, 81400), (1080, 75295), (1100, 73926), (1110, 73260), (1188, 68450), (1221, 66600), (1320, 61605), (1332, 61050), (1350, 60236), (1369, 59400), (1480, 54945), (1485, 54760), (1628, 49950), (1650, 49284), (1665, 48840), (1800, 45177), (1850, 43956), (1980, 41070), (1998, 40700), (2035, 39960), (2200, 36963), (2220, 36630), (2376, 34225), (2442, 33300), (2475, 32856), (2664, 30525), (2700, 30118), (2738, 29700), (2775, 29304), (2970, 27380), (3256, 24975), (3300, 24642), (3330, 24420), (3663, 22200), (3700, 21978), (3960, 20535), (3996, 20350), (4070, 19980), (4107, 19800), (4440, 18315), (4884, 16650), (4950, 16428), (4995, 16280), (5400, 15059), (5476, 14850), (5550, 14652), (5940, 13690), (6105, 13320), (6600, 12321), (6660, 12210), (6845, 11880), (7326, 11100), (7400, 10989), (7425, 10952), (7992, 10175), (8140, 9990), (8214, 9900), (8325, 9768)]