641128800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{20549}}^1$

素因数の和:20585

約数の個数: 144

約数和(自身を含む): 2247512400

約数和(自身を除く): 1606383600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 96, 100, 104, 120, 130, 150, 156, 160, 195, 200, 208, 240, 260, 300, 312, 325, 390, 400, 416, 480, 520, 600, 624, 650, 780, 800, 975, 1040, 1200, 1248, 1300, 1560, 1950, 2080, 2400, 2600, 3120, 3900, 5200, 6240, 7800, 10400, 15600, 20549, 31200, 41098, 61647, 82196, 102745, 123294, 164392, 205490, 246588, 267137, 308235, 328784, 410980, 493176, 513725, 534274, 616470, 657568, 801411, 821960, 986352, 1027450, 1068548, 1232940, 1335685, 1541175, 1602822, 1643920, 1972704, 2054900, 2137096, 2465880, 2671370, 3082350, 3205644, 3287840, 4007055, 4109800, 4274192, 4931760, 5342740, 6164700, 6411288, 6678425, 8014110, 8219600, 8548384, 9863520, 10685480, 12329400, 12822576, 13356850, 16028220, 16439200, 20035275, 21370960, 24658800, 25645152, 26713700, 32056440, 40070550, 42741920, 49317600, 53427400, 64112880, 80141100, 106854800, 128225760, 160282200, 213709600, 320564400, 641128800]

約数ペア:

[(1, 641128800), (2, 320564400), (3, 213709600), (4, 160282200), (5, 128225760), (6, 106854800), (8, 80141100), (10, 64112880), (12, 53427400), (13, 49317600), (15, 42741920), (16, 40070550), (20, 32056440), (24, 26713700), (25, 25645152), (26, 24658800), (30, 21370960), (32, 20035275), (39, 16439200), (40, 16028220), (48, 13356850), (50, 12822576), (52, 12329400), (60, 10685480), (65, 9863520), (75, 8548384), (78, 8219600), (80, 8014110), (96, 6678425), (100, 6411288), (104, 6164700), (120, 5342740), (130, 4931760), (150, 4274192), (156, 4109800), (160, 4007055), (195, 3287840), (200, 3205644), (208, 3082350), (240, 2671370), (260, 2465880), (300, 2137096), (312, 2054900), (325, 1972704), (390, 1643920), (400, 1602822), (416, 1541175), (480, 1335685), (520, 1232940), (600, 1068548), (624, 1027450), (650, 986352), (780, 821960), (800, 801411), (975, 657568), (1040, 616470), (1200, 534274), (1248, 513725), (1300, 493176), (1560, 410980), (1950, 328784), (2080, 308235), (2400, 267137), (2600, 246588), (3120, 205490), (3900, 164392), (5200, 123294), (6240, 102745), (7800, 82196), (10400, 61647), (15600, 41098), (20549, 31200)]