20685600

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1$

素因数の和:69

約数の個数: 324

約数和(自身を含む): 83631366

約数和(自身を除く): 62945766

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 25, 26, 30, 32, 34, 36, 39, 40, 45, 48, 50, 51, 52, 60, 65, 68, 72, 75, 78, 80, 85, 90, 96, 100, 102, 104, 117, 120, 130, 136, 144, 150, 153, 156, 160, 169, 170, 180, 195, 200, 204, 208, 221, 225, 234, 240, 255, 260, 272, 288, 300, 306, 312, 325, 338, 340, 360, 390, 400, 408, 416, 425, 442, 450, 468, 480, 507, 510, 520, 544, 585, 600, 612, 624, 650, 663, 676, 680, 720, 765, 780, 800, 816, 845, 850, 884, 900, 936, 975, 1014, 1020, 1040, 1105, 1170, 1200, 1224, 1248, 1275, 1300, 1326, 1352, 1360, 1440, 1521, 1530, 1560, 1632, 1690, 1700, 1768, 1800, 1872, 1950, 1989, 2028, 2040, 2080, 2210, 2340, 2400, 2448, 2535, 2550, 2600, 2652, 2704, 2720, 2873, 2925, 3042, 3060, 3120, 3315, 3380, 3400, 3536, 3600, 3744, 3825, 3900, 3978, 4056, 4080, 4225, 4420, 4680, 4896, 5070, 5100, 5200, 5304, 5408, 5525, 5746, 5850, 6084, 6120, 6240, 6630, 6760, 6800, 7072, 7200, 7605, 7650, 7800, 7956, 8112, 8160, 8450, 8619, 8840, 9360, 9945, 10140, 10200, 10400, 10608, 11050, 11492, 11700, 12168, 12240, 12675, 13260, 13520, 13600, 14365, 15210, 15300, 15600, 15912, 16224, 16575, 16900, 17238, 17680, 18720, 19890, 20280, 20400, 21216, 22100, 22984, 23400, 24336, 24480, 25350, 25857, 26520, 27040, 28730, 30420, 30600, 31200, 31824, 33150, 33800, 34476, 35360, 38025, 39780, 40560, 40800, 43095, 44200, 45968, 46800, 48672, 49725, 50700, 51714, 53040, 57460, 60840, 61200, 63648, 66300, 67600, 68952, 71825, 76050, 79560, 81120, 86190, 88400, 91936, 93600, 99450, 101400, 103428, 106080, 114920, 121680, 122400, 129285, 132600, 135200, 137904, 143650, 152100, 159120, 172380, 176800, 198900, 202800, 206856, 215475, 229840, 243360, 258570, 265200, 275808, 287300, 304200, 318240, 344760, 397800, 405600, 413712, 430950, 459680, 517140, 530400, 574600, 608400, 646425, 689520, 795600, 827424, 861900, 1034280, 1149200, 1216800, 1292850, 1379040, 1591200, 1723800, 2068560, 2298400, 2585700, 3447600, 4137120, 5171400, 6895200, 10342800, 20685600]

約数ペア:

[(1, 20685600), (2, 10342800), (3, 6895200), (4, 5171400), (5, 4137120), (6, 3447600), (8, 2585700), (9, 2298400), (10, 2068560), (12, 1723800), (13, 1591200), (15, 1379040), (16, 1292850), (17, 1216800), (18, 1149200), (20, 1034280), (24, 861900), (25, 827424), (26, 795600), (30, 689520), (32, 646425), (34, 608400), (36, 574600), (39, 530400), (40, 517140), (45, 459680), (48, 430950), (50, 413712), (51, 405600), (52, 397800), (60, 344760), (65, 318240), (68, 304200), (72, 287300), (75, 275808), (78, 265200), (80, 258570), (85, 243360), (90, 229840), (96, 215475), (100, 206856), (102, 202800), (104, 198900), (117, 176800), (120, 172380), (130, 159120), (136, 152100), (144, 143650), (150, 137904), (153, 135200), (156, 132600), (160, 129285), (169, 122400), (170, 121680), (180, 114920), (195, 106080), (200, 103428), (204, 101400), (208, 99450), (221, 93600), (225, 91936), (234, 88400), (240, 86190), (255, 81120), (260, 79560), (272, 76050), (288, 71825), (300, 68952), (306, 67600), (312, 66300), (325, 63648), (338, 61200), (340, 60840), (360, 57460), (390, 53040), (400, 51714), (408, 50700), (416, 49725), (425, 48672), (442, 46800), (450, 45968), (468, 44200), (480, 43095), (507, 40800), (510, 40560), (520, 39780), (544, 38025), (585, 35360), (600, 34476), (612, 33800), (624, 33150), (650, 31824), (663, 31200), (676, 30600), (680, 30420), (720, 28730), (765, 27040), (780, 26520), (800, 25857), (816, 25350), (845, 24480), (850, 24336), (884, 23400), (900, 22984), (936, 22100), (975, 21216), (1014, 20400), (1020, 20280), (1040, 19890), (1105, 18720), (1170, 17680), (1200, 17238), (1224, 16900), (1248, 16575), (1275, 16224), (1300, 15912), (1326, 15600), (1352, 15300), (1360, 15210), (1440, 14365), (1521, 13600), (1530, 13520), (1560, 13260), (1632, 12675), (1690, 12240), (1700, 12168), (1768, 11700), (1800, 11492), (1872, 11050), (1950, 10608), (1989, 10400), (2028, 10200), (2040, 10140), (2080, 9945), (2210, 9360), (2340, 8840), (2400, 8619), (2448, 8450), (2535, 8160), (2550, 8112), (2600, 7956), (2652, 7800), (2704, 7650), (2720, 7605), (2873, 7200), (2925, 7072), (3042, 6800), (3060, 6760), (3120, 6630), (3315, 6240), (3380, 6120), (3400, 6084), (3536, 5850), (3600, 5746), (3744, 5525), (3825, 5408), (3900, 5304), (3978, 5200), (4056, 5100), (4080, 5070), (4225, 4896), (4420, 4680)]