918878520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:482

約数の個数: 256

約数和(自身を含む): 3317760000

約数和(自身を除く): 2398881480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 199, 210, 230, 239, 276, 280, 322, 345, 398, 420, 460, 478, 483, 552, 597, 644, 690, 717, 796, 805, 840, 920, 956, 966, 995, 1194, 1195, 1288, 1380, 1393, 1434, 1592, 1610, 1673, 1912, 1932, 1990, 2388, 2390, 2415, 2760, 2786, 2868, 2985, 3220, 3346, 3585, 3864, 3980, 4179, 4577, 4776, 4780, 4830, 5019, 5497, 5572, 5736, 5970, 6440, 6692, 6965, 7170, 7960, 8358, 8365, 9154, 9560, 9660, 10038, 10994, 11144, 11940, 13384, 13731, 13930, 14340, 16491, 16716, 16730, 18308, 19320, 20076, 20895, 21988, 22885, 23880, 25095, 27462, 27485, 27860, 28680, 32039, 32982, 33432, 33460, 36616, 38479, 40152, 41790, 43976, 45770, 47561, 50190, 54924, 54970, 55720, 64078, 65964, 66920, 68655, 76958, 82455, 83580, 91540, 95122, 96117, 100380, 109848, 109940, 115437, 128156, 131928, 137310, 142683, 153916, 160195, 164910, 167160, 183080, 190244, 192234, 192395, 200760, 219880, 230874, 237805, 256312, 274620, 285366, 307832, 320390, 329820, 332927, 380488, 384468, 384790, 461748, 475610, 480585, 549240, 570732, 577185, 640780, 659640, 665854, 713415, 768936, 769580, 923496, 951220, 961170, 998781, 1093903, 1141464, 1154370, 1281560, 1331708, 1426830, 1539160, 1664635, 1902440, 1922340, 1997562, 2187806, 2308740, 2663416, 2853660, 3281709, 3329270, 3844680, 3995124, 4375612, 4617480, 4993905, 5469515, 5707320, 6563418, 6658540, 7657321, 7990248, 8751224, 9987810, 10939030, 13126836, 13317080, 15314642, 16408545, 19975620, 21878060, 22971963, 26253672, 30629284, 32817090, 38286605, 39951240, 43756120, 45943926, 61258568, 65634180, 76573210, 91887852, 114859815, 131268360, 153146420, 183775704, 229719630, 306292840, 459439260, 918878520]

約数ペア:

[(1, 918878520), (2, 459439260), (3, 306292840), (4, 229719630), (5, 183775704), (6, 153146420), (7, 131268360), (8, 114859815), (10, 91887852), (12, 76573210), (14, 65634180), (15, 61258568), (20, 45943926), (21, 43756120), (23, 39951240), (24, 38286605), (28, 32817090), (30, 30629284), (35, 26253672), (40, 22971963), (42, 21878060), (46, 19975620), (56, 16408545), (60, 15314642), (69, 13317080), (70, 13126836), (84, 10939030), (92, 9987810), (105, 8751224), (115, 7990248), (120, 7657321), (138, 6658540), (140, 6563418), (161, 5707320), (168, 5469515), (184, 4993905), (199, 4617480), (210, 4375612), (230, 3995124), (239, 3844680), (276, 3329270), (280, 3281709), (322, 2853660), (345, 2663416), (398, 2308740), (420, 2187806), (460, 1997562), (478, 1922340), (483, 1902440), (552, 1664635), (597, 1539160), (644, 1426830), (690, 1331708), (717, 1281560), (796, 1154370), (805, 1141464), (840, 1093903), (920, 998781), (956, 961170), (966, 951220), (995, 923496), (1194, 769580), (1195, 768936), (1288, 713415), (1380, 665854), (1393, 659640), (1434, 640780), (1592, 577185), (1610, 570732), (1673, 549240), (1912, 480585), (1932, 475610), (1990, 461748), (2388, 384790), (2390, 384468), (2415, 380488), (2760, 332927), (2786, 329820), (2868, 320390), (2985, 307832), (3220, 285366), (3346, 274620), (3585, 256312), (3864, 237805), (3980, 230874), (4179, 219880), (4577, 200760), (4776, 192395), (4780, 192234), (4830, 190244), (5019, 183080), (5497, 167160), (5572, 164910), (5736, 160195), (5970, 153916), (6440, 142683), (6692, 137310), (6965, 131928), (7170, 128156), (7960, 115437), (8358, 109940), (8365, 109848), (9154, 100380), (9560, 96117), (9660, 95122), (10038, 91540), (10994, 83580), (11144, 82455), (11940, 76958), (13384, 68655), (13731, 66920), (13930, 65964), (14340, 64078), (16491, 55720), (16716, 54970), (16730, 54924), (18308, 50190), (19320, 47561), (20076, 45770), (20895, 43976), (21988, 41790), (22885, 40152), (23880, 38479), (25095, 36616), (27462, 33460), (27485, 33432), (27860, 32982), (28680, 32039)]