68221020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:224

約数の個数: 192

約数和(自身を含む): 234823680

約数和(自身を除く): 166602660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 57, 60, 70, 76, 83, 84, 95, 103, 105, 114, 133, 140, 166, 190, 206, 210, 228, 249, 266, 285, 309, 332, 380, 399, 412, 415, 420, 498, 515, 532, 570, 581, 618, 665, 721, 798, 830, 996, 1030, 1140, 1162, 1236, 1245, 1330, 1442, 1545, 1577, 1596, 1660, 1743, 1957, 1995, 2060, 2163, 2324, 2490, 2660, 2884, 2905, 3090, 3154, 3486, 3605, 3914, 3990, 4326, 4731, 4980, 5810, 5871, 6180, 6308, 6972, 7210, 7828, 7885, 7980, 8549, 8652, 8715, 9462, 9785, 10815, 11039, 11620, 11742, 13699, 14420, 15770, 17098, 17430, 18924, 19570, 21630, 22078, 23484, 23655, 25647, 27398, 29355, 31540, 33117, 34196, 34860, 39140, 41097, 42745, 43260, 44156, 47310, 51294, 54796, 55195, 58710, 59843, 66234, 68495, 82194, 85490, 94620, 102588, 110390, 117420, 119686, 128235, 132468, 136990, 162431, 164388, 165585, 170980, 179529, 205485, 220780, 239372, 256470, 273980, 299215, 324862, 331170, 359058, 410970, 487293, 512940, 598430, 649724, 662340, 718116, 812155, 821940, 897645, 974586, 1137017, 1196860, 1624310, 1795290, 1949172, 2274034, 2436465, 3248620, 3411051, 3590580, 4548068, 4872930, 5685085, 6822102, 9745860, 11370170, 13644204, 17055255, 22740340, 34110510, 68221020]

約数ペア:

[(1, 68221020), (2, 34110510), (3, 22740340), (4, 17055255), (5, 13644204), (6, 11370170), (7, 9745860), (10, 6822102), (12, 5685085), (14, 4872930), (15, 4548068), (19, 3590580), (20, 3411051), (21, 3248620), (28, 2436465), (30, 2274034), (35, 1949172), (38, 1795290), (42, 1624310), (57, 1196860), (60, 1137017), (70, 974586), (76, 897645), (83, 821940), (84, 812155), (95, 718116), (103, 662340), (105, 649724), (114, 598430), (133, 512940), (140, 487293), (166, 410970), (190, 359058), (206, 331170), (210, 324862), (228, 299215), (249, 273980), (266, 256470), (285, 239372), (309, 220780), (332, 205485), (380, 179529), (399, 170980), (412, 165585), (415, 164388), (420, 162431), (498, 136990), (515, 132468), (532, 128235), (570, 119686), (581, 117420), (618, 110390), (665, 102588), (721, 94620), (798, 85490), (830, 82194), (996, 68495), (1030, 66234), (1140, 59843), (1162, 58710), (1236, 55195), (1245, 54796), (1330, 51294), (1442, 47310), (1545, 44156), (1577, 43260), (1596, 42745), (1660, 41097), (1743, 39140), (1957, 34860), (1995, 34196), (2060, 33117), (2163, 31540), (2324, 29355), (2490, 27398), (2660, 25647), (2884, 23655), (2905, 23484), (3090, 22078), (3154, 21630), (3486, 19570), (3605, 18924), (3914, 17430), (3990, 17098), (4326, 15770), (4731, 14420), (4980, 13699), (5810, 11742), (5871, 11620), (6180, 11039), (6308, 10815), (6972, 9785), (7210, 9462), (7828, 8715), (7885, 8652), (7980, 8549)]