128880360

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:480

約数の個数: 192

約数和(自身を含む): 482976000

約数和(自身を除く): 354095640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 199, 210, 252, 257, 280, 315, 360, 398, 420, 504, 514, 597, 630, 771, 796, 840, 995, 1028, 1194, 1260, 1285, 1393, 1542, 1592, 1791, 1799, 1990, 2056, 2313, 2388, 2520, 2570, 2786, 2985, 3084, 3582, 3598, 3855, 3980, 4179, 4626, 4776, 5140, 5397, 5572, 5970, 6168, 6965, 7164, 7196, 7710, 7960, 8358, 8955, 8995, 9252, 10280, 10794, 11144, 11565, 11940, 12537, 13930, 14328, 14392, 15420, 16191, 16716, 17910, 17990, 18504, 20895, 21588, 23130, 23880, 25074, 26985, 27860, 30840, 32382, 33432, 35820, 35980, 41790, 43176, 46260, 50148, 51143, 53970, 55720, 62685, 64764, 71640, 71960, 80955, 83580, 92520, 100296, 102286, 107940, 125370, 129528, 153429, 161910, 167160, 204572, 215880, 250740, 255715, 306858, 323820, 358001, 409144, 460287, 501480, 511430, 613716, 647640, 716002, 767145, 920574, 1022860, 1074003, 1227432, 1432004, 1534290, 1790005, 1841148, 2045720, 2148006, 2301435, 2864008, 3068580, 3222009, 3580010, 3682296, 4296012, 4602870, 5370015, 6137160, 6444018, 7160020, 8592024, 9205740, 10740030, 12888036, 14320040, 16110045, 18411480, 21480060, 25776072, 32220090, 42960120, 64440180, 128880360]

約数ペア:

[(1, 128880360), (2, 64440180), (3, 42960120), (4, 32220090), (5, 25776072), (6, 21480060), (7, 18411480), (8, 16110045), (9, 14320040), (10, 12888036), (12, 10740030), (14, 9205740), (15, 8592024), (18, 7160020), (20, 6444018), (21, 6137160), (24, 5370015), (28, 4602870), (30, 4296012), (35, 3682296), (36, 3580010), (40, 3222009), (42, 3068580), (45, 2864008), (56, 2301435), (60, 2148006), (63, 2045720), (70, 1841148), (72, 1790005), (84, 1534290), (90, 1432004), (105, 1227432), (120, 1074003), (126, 1022860), (140, 920574), (168, 767145), (180, 716002), (199, 647640), (210, 613716), (252, 511430), (257, 501480), (280, 460287), (315, 409144), (360, 358001), (398, 323820), (420, 306858), (504, 255715), (514, 250740), (597, 215880), (630, 204572), (771, 167160), (796, 161910), (840, 153429), (995, 129528), (1028, 125370), (1194, 107940), (1260, 102286), (1285, 100296), (1393, 92520), (1542, 83580), (1592, 80955), (1791, 71960), (1799, 71640), (1990, 64764), (2056, 62685), (2313, 55720), (2388, 53970), (2520, 51143), (2570, 50148), (2786, 46260), (2985, 43176), (3084, 41790), (3582, 35980), (3598, 35820), (3855, 33432), (3980, 32382), (4179, 30840), (4626, 27860), (4776, 26985), (5140, 25074), (5397, 23880), (5572, 23130), (5970, 21588), (6168, 20895), (6965, 18504), (7164, 17990), (7196, 17910), (7710, 16716), (7960, 16191), (8358, 15420), (8955, 14392), (8995, 14328), (9252, 13930), (10280, 12537), (10794, 11940), (11144, 11565)]