128841120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{683}}^1$

素因数の和:835

約数の個数: 144

約数和(自身を含む): 443675232

約数和(自身を除く): 314834112

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 131, 144, 160, 180, 240, 262, 288, 360, 393, 480, 524, 655, 683, 720, 786, 1048, 1179, 1310, 1366, 1440, 1572, 1965, 2049, 2096, 2358, 2620, 2732, 3144, 3415, 3930, 4098, 4192, 4716, 5240, 5464, 5895, 6147, 6288, 6830, 7860, 8196, 9432, 10245, 10480, 10928, 11790, 12294, 12576, 13660, 15720, 16392, 18864, 20490, 20960, 21856, 23580, 24588, 27320, 30735, 31440, 32784, 37728, 40980, 47160, 49176, 54640, 61470, 62880, 65568, 81960, 89473, 94320, 98352, 109280, 122940, 163920, 178946, 188640, 196704, 245880, 268419, 327840, 357892, 447365, 491760, 536838, 715784, 805257, 894730, 983520, 1073676, 1342095, 1431568, 1610514, 1789460, 2147352, 2684190, 2863136, 3221028, 3578920, 4026285, 4294704, 5368380, 6442056, 7157840, 8052570, 8589408, 10736760, 12884112, 14315680, 16105140, 21473520, 25768224, 32210280, 42947040, 64420560, 128841120]

約数ペア:

[(1, 128841120), (2, 64420560), (3, 42947040), (4, 32210280), (5, 25768224), (6, 21473520), (8, 16105140), (9, 14315680), (10, 12884112), (12, 10736760), (15, 8589408), (16, 8052570), (18, 7157840), (20, 6442056), (24, 5368380), (30, 4294704), (32, 4026285), (36, 3578920), (40, 3221028), (45, 2863136), (48, 2684190), (60, 2147352), (72, 1789460), (80, 1610514), (90, 1431568), (96, 1342095), (120, 1073676), (131, 983520), (144, 894730), (160, 805257), (180, 715784), (240, 536838), (262, 491760), (288, 447365), (360, 357892), (393, 327840), (480, 268419), (524, 245880), (655, 196704), (683, 188640), (720, 178946), (786, 163920), (1048, 122940), (1179, 109280), (1310, 98352), (1366, 94320), (1440, 89473), (1572, 81960), (1965, 65568), (2049, 62880), (2096, 61470), (2358, 54640), (2620, 49176), (2732, 47160), (3144, 40980), (3415, 37728), (3930, 32784), (4098, 31440), (4192, 30735), (4716, 27320), (5240, 24588), (5464, 23580), (5895, 21856), (6147, 20960), (6288, 20490), (6830, 18864), (7860, 16392), (8196, 15720), (9432, 13660), (10245, 12576), (10480, 12294), (10928, 11790)]