57781640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:295

約数の個数: 128

約数和(自身を含む): 160704000

約数和(自身を除く): 102922360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 61, 68, 70, 85, 119, 122, 136, 140, 170, 199, 238, 244, 280, 305, 340, 398, 427, 476, 488, 595, 610, 680, 796, 854, 952, 995, 1037, 1190, 1220, 1393, 1592, 1708, 1990, 2074, 2135, 2380, 2440, 2786, 3383, 3416, 3980, 4148, 4270, 4760, 5185, 5572, 6766, 6965, 7259, 7960, 8296, 8540, 10370, 11144, 12139, 13532, 13930, 14518, 16915, 17080, 20740, 23681, 24278, 27064, 27860, 29036, 33830, 36295, 41480, 47362, 48556, 55720, 58072, 60695, 67660, 72590, 84973, 94724, 97112, 118405, 121390, 135320, 145180, 169946, 189448, 206363, 236810, 242780, 290360, 339892, 412726, 424865, 473620, 485560, 679784, 825452, 849730, 947240, 1031815, 1444541, 1650904, 1699460, 2063630, 2889082, 3398920, 4127260, 5778164, 7222705, 8254520, 11556328, 14445410, 28890820, 57781640]

約数ペア:

[(1, 57781640), (2, 28890820), (4, 14445410), (5, 11556328), (7, 8254520), (8, 7222705), (10, 5778164), (14, 4127260), (17, 3398920), (20, 2889082), (28, 2063630), (34, 1699460), (35, 1650904), (40, 1444541), (56, 1031815), (61, 947240), (68, 849730), (70, 825452), (85, 679784), (119, 485560), (122, 473620), (136, 424865), (140, 412726), (170, 339892), (199, 290360), (238, 242780), (244, 236810), (280, 206363), (305, 189448), (340, 169946), (398, 145180), (427, 135320), (476, 121390), (488, 118405), (595, 97112), (610, 94724), (680, 84973), (796, 72590), (854, 67660), (952, 60695), (995, 58072), (1037, 55720), (1190, 48556), (1220, 47362), (1393, 41480), (1592, 36295), (1708, 33830), (1990, 29036), (2074, 27860), (2135, 27064), (2380, 24278), (2440, 23681), (2786, 20740), (3383, 17080), (3416, 16915), (3980, 14518), (4148, 13930), (4270, 13532), (4760, 12139), (5185, 11144), (5572, 10370), (6766, 8540), (6965, 8296), (7259, 7960)]