814180640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{281}}^1$

素因数の和:515

約数の個数: 192

約数和(自身を含む): 2387750400

約数和(自身を除く): 1573569760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 199, 208, 224, 260, 280, 281, 364, 398, 416, 455, 520, 560, 562, 728, 796, 910, 995, 1040, 1120, 1124, 1393, 1405, 1456, 1592, 1820, 1967, 1990, 2080, 2248, 2587, 2786, 2810, 2912, 3184, 3640, 3653, 3934, 3980, 4496, 5174, 5572, 5620, 6368, 6965, 7280, 7306, 7868, 7960, 8992, 9835, 10348, 11144, 11240, 12935, 13930, 14560, 14612, 15736, 15920, 18109, 18265, 19670, 20696, 22288, 22480, 25571, 25870, 27860, 29224, 31472, 31840, 36218, 36530, 39340, 41392, 44576, 44960, 51142, 51740, 55720, 55919, 58448, 62944, 72436, 73060, 78680, 82784, 90545, 102284, 103480, 111440, 111838, 116896, 127855, 144872, 146120, 157360, 181090, 204568, 206960, 222880, 223676, 255710, 279595, 289744, 292240, 314720, 362180, 391433, 409136, 413920, 447352, 511420, 559190, 579488, 584480, 724360, 726947, 782866, 818272, 894704, 1022840, 1118380, 1448720, 1453894, 1565732, 1789408, 1957165, 2045680, 2236760, 2897440, 2907788, 3131464, 3634735, 3914330, 4091360, 4473520, 5088629, 5815576, 6262928, 7269470, 7828660, 8947040, 10177258, 11631152, 12525856, 14538940, 15657320, 20354516, 23262304, 25443145, 29077880, 31314640, 40709032, 50886290, 58155760, 62629280, 81418064, 101772580, 116311520, 162836128, 203545160, 407090320, 814180640]

約数ペア:

[(1, 814180640), (2, 407090320), (4, 203545160), (5, 162836128), (7, 116311520), (8, 101772580), (10, 81418064), (13, 62629280), (14, 58155760), (16, 50886290), (20, 40709032), (26, 31314640), (28, 29077880), (32, 25443145), (35, 23262304), (40, 20354516), (52, 15657320), (56, 14538940), (65, 12525856), (70, 11631152), (80, 10177258), (91, 8947040), (104, 7828660), (112, 7269470), (130, 6262928), (140, 5815576), (160, 5088629), (182, 4473520), (199, 4091360), (208, 3914330), (224, 3634735), (260, 3131464), (280, 2907788), (281, 2897440), (364, 2236760), (398, 2045680), (416, 1957165), (455, 1789408), (520, 1565732), (560, 1453894), (562, 1448720), (728, 1118380), (796, 1022840), (910, 894704), (995, 818272), (1040, 782866), (1120, 726947), (1124, 724360), (1393, 584480), (1405, 579488), (1456, 559190), (1592, 511420), (1820, 447352), (1967, 413920), (1990, 409136), (2080, 391433), (2248, 362180), (2587, 314720), (2786, 292240), (2810, 289744), (2912, 279595), (3184, 255710), (3640, 223676), (3653, 222880), (3934, 206960), (3980, 204568), (4496, 181090), (5174, 157360), (5572, 146120), (5620, 144872), (6368, 127855), (6965, 116896), (7280, 111838), (7306, 111440), (7868, 103480), (7960, 102284), (8992, 90545), (9835, 82784), (10348, 78680), (11144, 73060), (11240, 72436), (12935, 62944), (13930, 58448), (14560, 55919), (14612, 55720), (15736, 51740), (15920, 51142), (18109, 44960), (18265, 44576), (19670, 41392), (20696, 39340), (22288, 36530), (22480, 36218), (25571, 31840), (25870, 31472), (27860, 29224)]