68659920

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:287

約数の個数: 320

約数和(自身を含む): 285696000

約数和(自身を除く): 217036080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 48, 54, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 108, 112, 114, 120, 126, 133, 135, 140, 144, 152, 168, 171, 180, 189, 190, 210, 216, 228, 239, 240, 252, 266, 270, 280, 285, 304, 315, 336, 342, 360, 378, 380, 399, 420, 432, 456, 478, 504, 513, 532, 540, 560, 570, 630, 665, 684, 717, 720, 756, 760, 798, 840, 855, 912, 945, 956, 1008, 1026, 1064, 1080, 1140, 1195, 1197, 1260, 1330, 1368, 1434, 1512, 1520, 1596, 1673, 1680, 1710, 1890, 1912, 1995, 2052, 2128, 2151, 2160, 2280, 2390, 2394, 2520, 2565, 2660, 2736, 2868, 3024, 3192, 3346, 3420, 3585, 3591, 3780, 3824, 3990, 4104, 4302, 4541, 4560, 4780, 4788, 5019, 5040, 5130, 5320, 5736, 5985, 6384, 6453, 6692, 6840, 7170, 7182, 7560, 7980, 8208, 8365, 8604, 9082, 9560, 9576, 10038, 10260, 10640, 10755, 11472, 11970, 12906, 13384, 13623, 13680, 14340, 14364, 15057, 15120, 15960, 16730, 17208, 17955, 18164, 19120, 19152, 20076, 20520, 21510, 22705, 23940, 25095, 25812, 26768, 27246, 28680, 28728, 30114, 31787, 31920, 32265, 33460, 34416, 35910, 36328, 40152, 40869, 41040, 43020, 45171, 45410, 47880, 50190, 51624, 54492, 57360, 57456, 60228, 63574, 64530, 66920, 68115, 71820, 72656, 75285, 80304, 81738, 86040, 90342, 90820, 95361, 95760, 100380, 103248, 108984, 120456, 122607, 127148, 129060, 133840, 136230, 143640, 150570, 158935, 163476, 172080, 180684, 181640, 190722, 200760, 204345, 217968, 225855, 240912, 245214, 254296, 258120, 272460, 286083, 287280, 301140, 317870, 326952, 361368, 363280, 381444, 401520, 408690, 451710, 476805, 490428, 508592, 516240, 544920, 572166, 602280, 613035, 635740, 653904, 722736, 762888, 817380, 858249, 903420, 953610, 980856, 1089840, 1144332, 1204560, 1226070, 1271480, 1430415, 1525776, 1634760, 1716498, 1806840, 1907220, 1961712, 2288664, 2452140, 2542960, 2860830, 3269520, 3432996, 3613680, 3814440, 4291245, 4577328, 4904280, 5721660, 6865992, 7628880, 8582490, 9808560, 11443320, 13731984, 17164980, 22886640, 34329960, 68659920]

約数ペア:

[(1, 68659920), (2, 34329960), (3, 22886640), (4, 17164980), (5, 13731984), (6, 11443320), (7, 9808560), (8, 8582490), (9, 7628880), (10, 6865992), (12, 5721660), (14, 4904280), (15, 4577328), (16, 4291245), (18, 3814440), (19, 3613680), (20, 3432996), (21, 3269520), (24, 2860830), (27, 2542960), (28, 2452140), (30, 2288664), (35, 1961712), (36, 1907220), (38, 1806840), (40, 1716498), (42, 1634760), (45, 1525776), (48, 1430415), (54, 1271480), (56, 1226070), (57, 1204560), (60, 1144332), (63, 1089840), (70, 980856), (72, 953610), (76, 903420), (80, 858249), (84, 817380), (90, 762888), (95, 722736), (105, 653904), (108, 635740), (112, 613035), (114, 602280), (120, 572166), (126, 544920), (133, 516240), (135, 508592), (140, 490428), (144, 476805), (152, 451710), (168, 408690), (171, 401520), (180, 381444), (189, 363280), (190, 361368), (210, 326952), (216, 317870), (228, 301140), (239, 287280), (240, 286083), (252, 272460), (266, 258120), (270, 254296), (280, 245214), (285, 240912), (304, 225855), (315, 217968), (336, 204345), (342, 200760), (360, 190722), (378, 181640), (380, 180684), (399, 172080), (420, 163476), (432, 158935), (456, 150570), (478, 143640), (504, 136230), (513, 133840), (532, 129060), (540, 127148), (560, 122607), (570, 120456), (630, 108984), (665, 103248), (684, 100380), (717, 95760), (720, 95361), (756, 90820), (760, 90342), (798, 86040), (840, 81738), (855, 80304), (912, 75285), (945, 72656), (956, 71820), (1008, 68115), (1026, 66920), (1064, 64530), (1080, 63574), (1140, 60228), (1195, 57456), (1197, 57360), (1260, 54492), (1330, 51624), (1368, 50190), (1434, 47880), (1512, 45410), (1520, 45171), (1596, 43020), (1673, 41040), (1680, 40869), (1710, 40152), (1890, 36328), (1912, 35910), (1995, 34416), (2052, 33460), (2128, 32265), (2151, 31920), (2160, 31787), (2280, 30114), (2390, 28728), (2394, 28680), (2520, 27246), (2565, 26768), (2660, 25812), (2736, 25095), (2868, 23940), (3024, 22705), (3192, 21510), (3346, 20520), (3420, 20076), (3585, 19152), (3591, 19120), (3780, 18164), (3824, 17955), (3990, 17208), (4104, 16730), (4302, 15960), (4541, 15120), (4560, 15057), (4780, 14364), (4788, 14340), (5019, 13680), (5040, 13623), (5130, 13384), (5320, 12906), (5736, 11970), (5985, 11472), (6384, 10755), (6453, 10640), (6692, 10260), (6840, 10038), (7170, 9576), (7182, 9560), (7560, 9082), (7980, 8604), (8208, 8365)]