487605720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2917}}^1$

素因数の和:3137

約数の個数: 128

約数和(自身を含む): 1680768000

約数和(自身を除く): 1193162280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 199, 210, 280, 398, 420, 597, 796, 840, 995, 1194, 1393, 1592, 1990, 2388, 2786, 2917, 2985, 3980, 4179, 4776, 5572, 5834, 5970, 6965, 7960, 8358, 8751, 11144, 11668, 11940, 13930, 14585, 16716, 17502, 20419, 20895, 23336, 23880, 27860, 29170, 33432, 35004, 40838, 41790, 43755, 55720, 58340, 61257, 70008, 81676, 83580, 87510, 102095, 116680, 122514, 163352, 167160, 175020, 204190, 245028, 306285, 350040, 408380, 490056, 580483, 612570, 816760, 1160966, 1225140, 1741449, 2321932, 2450280, 2902415, 3482898, 4063381, 4643864, 5804830, 6965796, 8126762, 8707245, 11609660, 12190143, 13931592, 16253524, 17414490, 20316905, 23219320, 24380286, 32507048, 34828980, 40633810, 48760572, 60950715, 69657960, 81267620, 97521144, 121901430, 162535240, 243802860, 487605720]

約数ペア:

[(1, 487605720), (2, 243802860), (3, 162535240), (4, 121901430), (5, 97521144), (6, 81267620), (7, 69657960), (8, 60950715), (10, 48760572), (12, 40633810), (14, 34828980), (15, 32507048), (20, 24380286), (21, 23219320), (24, 20316905), (28, 17414490), (30, 16253524), (35, 13931592), (40, 12190143), (42, 11609660), (56, 8707245), (60, 8126762), (70, 6965796), (84, 5804830), (105, 4643864), (120, 4063381), (140, 3482898), (168, 2902415), (199, 2450280), (210, 2321932), (280, 1741449), (398, 1225140), (420, 1160966), (597, 816760), (796, 612570), (840, 580483), (995, 490056), (1194, 408380), (1393, 350040), (1592, 306285), (1990, 245028), (2388, 204190), (2786, 175020), (2917, 167160), (2985, 163352), (3980, 122514), (4179, 116680), (4776, 102095), (5572, 87510), (5834, 83580), (5970, 81676), (6965, 70008), (7960, 61257), (8358, 58340), (8751, 55720), (11144, 43755), (11668, 41790), (11940, 40838), (13930, 35004), (14585, 33432), (16716, 29170), (17502, 27860), (20419, 23880), (20895, 23336)]