64468040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:319

約数の個数: 128

約数和(自身を含む): 181440000

約数和(自身を除く): 116971960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 89, 91, 104, 130, 140, 178, 182, 199, 260, 280, 356, 364, 398, 445, 455, 520, 623, 712, 728, 796, 890, 910, 995, 1157, 1246, 1393, 1592, 1780, 1820, 1990, 2314, 2492, 2587, 2786, 3115, 3560, 3640, 3980, 4628, 4984, 5174, 5572, 5785, 6230, 6965, 7960, 8099, 9256, 10348, 11144, 11570, 12460, 12935, 13930, 16198, 17711, 18109, 20696, 23140, 24920, 25870, 27860, 32396, 35422, 36218, 40495, 46280, 51740, 55720, 64792, 70844, 72436, 80990, 88555, 90545, 103480, 123977, 141688, 144872, 161980, 177110, 181090, 230243, 247954, 323960, 354220, 362180, 460486, 495908, 619885, 708440, 724360, 920972, 991816, 1151215, 1239770, 1611701, 1841944, 2302430, 2479540, 3223402, 4604860, 4959080, 6446804, 8058505, 9209720, 12893608, 16117010, 32234020, 64468040]

約数ペア:

[(1, 64468040), (2, 32234020), (4, 16117010), (5, 12893608), (7, 9209720), (8, 8058505), (10, 6446804), (13, 4959080), (14, 4604860), (20, 3223402), (26, 2479540), (28, 2302430), (35, 1841944), (40, 1611701), (52, 1239770), (56, 1151215), (65, 991816), (70, 920972), (89, 724360), (91, 708440), (104, 619885), (130, 495908), (140, 460486), (178, 362180), (182, 354220), (199, 323960), (260, 247954), (280, 230243), (356, 181090), (364, 177110), (398, 161980), (445, 144872), (455, 141688), (520, 123977), (623, 103480), (712, 90545), (728, 88555), (796, 80990), (890, 72436), (910, 70844), (995, 64792), (1157, 55720), (1246, 51740), (1393, 46280), (1592, 40495), (1780, 36218), (1820, 35422), (1990, 32396), (2314, 27860), (2492, 25870), (2587, 24920), (2786, 23140), (3115, 20696), (3560, 18109), (3640, 17711), (3980, 16198), (4628, 13930), (4984, 12935), (5174, 12460), (5572, 11570), (5785, 11144), (6230, 10348), (6965, 9256), (7960, 8099)]