80629920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:468

約数の個数: 288

約数和(自身を含む): 331793280

約数和(自身を除く): 251163360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 96, 105, 112, 114, 120, 126, 133, 140, 144, 152, 160, 168, 171, 180, 190, 210, 224, 228, 240, 252, 266, 280, 285, 288, 304, 315, 336, 342, 360, 380, 399, 420, 421, 456, 480, 504, 532, 560, 570, 608, 630, 665, 672, 684, 720, 760, 798, 840, 842, 855, 912, 1008, 1064, 1120, 1140, 1197, 1260, 1263, 1330, 1368, 1440, 1520, 1596, 1680, 1684, 1710, 1824, 1995, 2016, 2105, 2128, 2280, 2394, 2520, 2526, 2660, 2736, 2947, 3040, 3192, 3360, 3368, 3420, 3789, 3990, 4210, 4256, 4560, 4788, 5040, 5052, 5320, 5472, 5894, 5985, 6315, 6384, 6736, 6840, 7578, 7980, 7999, 8420, 8841, 9120, 9576, 10080, 10104, 10640, 11788, 11970, 12630, 12768, 13472, 13680, 14735, 15156, 15960, 15998, 16840, 17682, 18945, 19152, 20208, 21280, 23576, 23940, 23997, 25260, 26523, 27360, 29470, 30312, 31920, 31996, 33680, 35364, 37890, 38304, 39995, 40416, 44205, 47152, 47880, 47994, 50520, 53046, 55993, 58940, 60624, 63840, 63992, 67360, 70728, 71991, 75780, 79990, 88410, 94304, 95760, 95988, 101040, 106092, 111986, 117880, 119985, 121248, 127984, 132615, 141456, 143982, 151560, 159980, 167979, 176820, 191520, 191976, 202080, 212184, 223972, 235760, 239970, 255968, 265230, 279965, 282912, 287964, 303120, 319960, 335958, 353640, 359955, 383952, 424368, 447944, 471520, 479940, 503937, 530460, 559930, 575928, 606240, 639920, 671916, 707280, 719910, 767904, 839895, 848736, 895888, 959880, 1007874, 1060920, 1119860, 1151856, 1279840, 1343832, 1414560, 1439820, 1679790, 1791776, 1919760, 2015748, 2121840, 2239720, 2303712, 2519685, 2687664, 2879640, 3359580, 3839520, 4031496, 4243680, 4479440, 5039370, 5375328, 5759280, 6719160, 8062992, 8958880, 10078740, 11518560, 13438320, 16125984, 20157480, 26876640, 40314960, 80629920]

約数ペア:

[(1, 80629920), (2, 40314960), (3, 26876640), (4, 20157480), (5, 16125984), (6, 13438320), (7, 11518560), (8, 10078740), (9, 8958880), (10, 8062992), (12, 6719160), (14, 5759280), (15, 5375328), (16, 5039370), (18, 4479440), (19, 4243680), (20, 4031496), (21, 3839520), (24, 3359580), (28, 2879640), (30, 2687664), (32, 2519685), (35, 2303712), (36, 2239720), (38, 2121840), (40, 2015748), (42, 1919760), (45, 1791776), (48, 1679790), (56, 1439820), (57, 1414560), (60, 1343832), (63, 1279840), (70, 1151856), (72, 1119860), (76, 1060920), (80, 1007874), (84, 959880), (90, 895888), (95, 848736), (96, 839895), (105, 767904), (112, 719910), (114, 707280), (120, 671916), (126, 639920), (133, 606240), (140, 575928), (144, 559930), (152, 530460), (160, 503937), (168, 479940), (171, 471520), (180, 447944), (190, 424368), (210, 383952), (224, 359955), (228, 353640), (240, 335958), (252, 319960), (266, 303120), (280, 287964), (285, 282912), (288, 279965), (304, 265230), (315, 255968), (336, 239970), (342, 235760), (360, 223972), (380, 212184), (399, 202080), (420, 191976), (421, 191520), (456, 176820), (480, 167979), (504, 159980), (532, 151560), (560, 143982), (570, 141456), (608, 132615), (630, 127984), (665, 121248), (672, 119985), (684, 117880), (720, 111986), (760, 106092), (798, 101040), (840, 95988), (842, 95760), (855, 94304), (912, 88410), (1008, 79990), (1064, 75780), (1120, 71991), (1140, 70728), (1197, 67360), (1260, 63992), (1263, 63840), (1330, 60624), (1368, 58940), (1440, 55993), (1520, 53046), (1596, 50520), (1680, 47994), (1684, 47880), (1710, 47152), (1824, 44205), (1995, 40416), (2016, 39995), (2105, 38304), (2128, 37890), (2280, 35364), (2394, 33680), (2520, 31996), (2526, 31920), (2660, 30312), (2736, 29470), (2947, 27360), (3040, 26523), (3192, 25260), (3360, 23997), (3368, 23940), (3420, 23576), (3789, 21280), (3990, 20208), (4210, 19152), (4256, 18945), (4560, 17682), (4788, 16840), (5040, 15998), (5052, 15960), (5320, 15156), (5472, 14735), (5894, 13680), (5985, 13472), (6315, 12768), (6384, 12630), (6736, 11970), (6840, 11788), (7578, 10640), (7980, 10104), (7999, 10080), (8420, 9576), (8841, 9120)]