18889080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:333

約数の個数: 128

約数和(自身を含む): 65664000

約数和(自身を除く): 46774920

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, 113, 120, 140, 168, 199, 210, 226, 280, 339, 398, 420, 452, 565, 597, 678, 791, 796, 840, 904, 995, 1130, 1194, 1356, 1393, 1582, 1592, 1695, 1990, 2260, 2373, 2388, 2712, 2786, 2985, 3164, 3390, 3955, 3980, 4179, 4520, 4746, 4776, 5572, 5970, 6328, 6780, 6965, 7910, 7960, 8358, 9492, 11144, 11865, 11940, 13560, 13930, 15820, 16716, 18984, 20895, 22487, 23730, 23880, 27860, 31640, 33432, 41790, 44974, 47460, 55720, 67461, 83580, 89948, 94920, 112435, 134922, 157409, 167160, 179896, 224870, 269844, 314818, 337305, 449740, 472227, 539688, 629636, 674610, 787045, 899480, 944454, 1259272, 1349220, 1574090, 1888908, 2361135, 2698440, 3148180, 3777816, 4722270, 6296360, 9444540, 18889080]

約数ペア:

[(1, 18889080), (2, 9444540), (3, 6296360), (4, 4722270), (5, 3777816), (6, 3148180), (7, 2698440), (8, 2361135), (10, 1888908), (12, 1574090), (14, 1349220), (15, 1259272), (20, 944454), (21, 899480), (24, 787045), (28, 674610), (30, 629636), (35, 539688), (40, 472227), (42, 449740), (56, 337305), (60, 314818), (70, 269844), (84, 224870), (105, 179896), (113, 167160), (120, 157409), (140, 134922), (168, 112435), (199, 94920), (210, 89948), (226, 83580), (280, 67461), (339, 55720), (398, 47460), (420, 44974), (452, 41790), (565, 33432), (597, 31640), (678, 27860), (791, 23880), (796, 23730), (840, 22487), (904, 20895), (995, 18984), (1130, 16716), (1194, 15820), (1356, 13930), (1393, 13560), (1582, 11940), (1592, 11865), (1695, 11144), (1990, 9492), (2260, 8358), (2373, 7960), (2388, 7910), (2712, 6965), (2786, 6780), (2985, 6328), (3164, 5970), (3390, 5572), (3955, 4776), (3980, 4746), (4179, 4520)]